Finding the Fourth Proportional to 416,909.25, 625,357.26 and 132,595.70
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Solution
The fourth proportional to 416,909.25, 625,357.26 and 132,595.70 is: 198,891.44
Step by Step Solution
- Step 1: Write the proportion equation
416,909.25 : 625,357.26 = 132,595.70 : x - Step 2: Convert to fraction form
416,909.25/625,357.26 = 132,595.70/x - Step 3: Cross multiply
416,909.25x = 625,357.26 × 132,595.70 - Step 4: Simplify right side
416,909.25x = 82,919,680,513.00 - Step 5: Solve for x
x = 82,919,680,513.00/416,909.25 - Step 6: Final answer
x = 198,891.44
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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.