Finding the Fourth Proportional to 357,176.80, 535,765.20 and 343,398.70
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Solution
The fourth proportional to 357,176.80, 535,765.20 and 343,398.70 is: 515,098.05
Step by Step Solution
- Step 1: Write the proportion equation
357,176.80 : 535,765.20 = 343,398.70 : x - Step 2: Convert to fraction form
357,176.80/535,765.20 = 343,398.70/x - Step 3: Cross multiply
357,176.80x = 535,765.20 × 343,398.70 - Step 4: Simplify right side
357,176.80x = 183,981,073,185.24 - Step 5: Solve for x
x = 183,981,073,185.24/357,176.80 - Step 6: Final answer
x = 515,098.05
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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.