Answer
$274.316^{\circ}$
Work Step by Step
$274^{\circ}18'59''=274^{\circ}+\frac{18}{60}^{\circ}+\frac{59}{3600}^{\circ}$
$=274^{\circ}+0.3^{\circ}+0.01639^{\circ}=274.316^{\circ}$
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