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Finding the Fourth Proportional to 543,144.31, 750,161.22 and 357,704.73

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Solution

The fourth proportional to 543,144.31, 750,161.22 and 357,704.73 is: 494,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,144.31 : 750,161.22 = 357,704.73 : x
  2. Step 2: Convert to fraction form
    543,144.31/750,161.22 = 357,704.73/x
  3. Step 3: Cross multiply
    543,144.31x = 750,161.22 × 357,704.73
  4. Step 4: Simplify right side
    543,144.31x = 268,336,215,805.75
  5. Step 5: Solve for x
    x = 268,336,215,805.75/543,144.31
  6. Step 6: Final answer
    x = 494,042.21

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1.5x scale

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.