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Finding the Fourth Proportional to 534,188.89, 801,324.83 and 155,115.88

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Solution

The fourth proportional to 534,188.89, 801,324.83 and 155,115.88 is: 232,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,188.89 : 801,324.83 = 155,115.88 : x
  2. Step 2: Convert to fraction form
    534,188.89/801,324.83 = 155,115.88/x
  3. Step 3: Cross multiply
    534,188.89x = 801,324.83 × 155,115.88
  4. Step 4: Simplify right side
    534,188.89x = 124,298,206,171.30
  5. Step 5: Solve for x
    x = 124,298,206,171.30/534,188.89
  6. Step 6: Final answer
    x = 232,685.87

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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.