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Finding the Fourth Proportional to 574,519.92, 861,873.36 and 169,753.20

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Solution

The fourth proportional to 574,519.92, 861,873.36 and 169,753.20 is: 254,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,519.92 : 861,873.36 = 169,753.20 : x
  2. Step 2: Convert to fraction form
    574,519.92/861,873.36 = 169,753.20/x
  3. Step 3: Cross multiply
    574,519.92x = 861,873.36 × 169,753.20
  4. Step 4: Simplify right side
    574,519.92x = 146,305,760,854.75
  5. Step 5: Solve for x
    x = 146,305,760,854.75/574,519.92
  6. Step 6: Final answer
    x = 254,657.42

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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.