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Finding the Fourth Proportional to 534,270.43, 801,221.12 and 155,088.37

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Solution

The fourth proportional to 534,270.43, 801,221.12 and 155,088.37 is: 232,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,270.43 : 801,221.12 = 155,088.37 : x
  2. Step 2: Convert to fraction form
    534,270.43/801,221.12 = 155,088.37/x
  3. Step 3: Cross multiply
    534,270.43x = 801,221.12 × 155,088.37
  4. Step 4: Simplify right side
    534,270.43x = 124,260,078,318.04
  5. Step 5: Solve for x
    x = 124,260,078,318.04/534,270.43
  6. Step 6: Final answer
    x = 232,578.99

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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.