AT&T Inc’s (T.N) proposed $48.5 billion purchase of DirecTV (DTV.O) has cleared its final regulatory hurdle as the U.S. Federal Communications Commission voted on Thursday to approve the merger, according to people familiar with the votes. At least three of the five FCC commissioners have voted in favor of the deal with conditions, according to the sources, who spoke anonymously because the votes have not yet been made public. The FCC’s vote, likely to be completed and announced on Friday, was the last regulatory step toward the completion of the merger between the second-largest U.S.