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Finding the Fourth Proportional to 360,791.60, 541,374.17 and 261,769.10

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Solution

The fourth proportional to 360,791.60, 541,374.17 and 261,769.10 is: 392,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,791.60 : 541,374.17 = 261,769.10 : x
  2. Step 2: Convert to fraction form
    360,791.60/541,374.17 = 261,769.10/x
  3. Step 3: Cross multiply
    360,791.60x = 541,374.17 × 261,769.10
  4. Step 4: Simplify right side
    360,791.60x = 141,715,025,228.43
  5. Step 5: Solve for x
    x = 141,715,025,228.43/360,791.60
  6. Step 6: Final answer
    x = 392,789.15

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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.