Finding the Fourth Proportional to 416,058.76, 574,159.36 and 225,071.68
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Solution
The fourth proportional to 416,058.76, 574,159.36 and 225,071.68 is: 310,597.98
Step by Step Solution
- Step 1: Write the proportion equation
416,058.76 : 574,159.36 = 225,071.68 : x - Step 2: Convert to fraction form
416,058.76/574,159.36 = 225,071.68/x - Step 3: Cross multiply
416,058.76x = 574,159.36 × 225,071.68 - Step 4: Simplify right side
416,058.76x = 129,227,011,742.93 - Step 5: Solve for x
x = 129,227,011,742.93/416,058.76 - Step 6: Final answer
x = 310,597.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.