Ratio from decimal

67.4 and 34.4

do

674/344 =  $${\frac{{\mathtt{674}}}{{\mathtt{344}}}} = {\frac{{\mathtt{337}}}{{\mathtt{172}}}} = {\mathtt{1.959\: \!302\: \!325\: \!581\: \!395\: \!3}}$$

the ratio is        337:172