Finding the Fourth Proportional to 416,691.16, 625,036.97 and 117,171.74
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Solution
The fourth proportional to 416,691.16, 625,036.97 and 117,171.74 is: 175,757.68
Step by Step Solution
- Step 1: Write the proportion equation
416,691.16 : 625,036.97 = 117,171.74 : x - Step 2: Convert to fraction form
416,691.16/625,036.97 = 117,171.74/x - Step 3: Cross multiply
416,691.16x = 625,036.97 × 117,171.74 - Step 4: Simplify right side
416,691.16x = 73,236,671,194.75 - Step 5: Solve for x
x = 73,236,671,194.75/416,691.16 - Step 6: Final answer
x = 175,757.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.