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Finding the Fourth Proportional to 969,168.16, 1,337,496 and 539,475.68

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Solution

The fourth proportional to 969,168.16, 1,337,496 and 539,475.68 is: 744,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,168.16 : 1,337,496 = 539,475.68 : x
  2. Step 2: Convert to fraction form
    969,168.16/1,337,496 = 539,475.68/x
  3. Step 3: Cross multiply
    969,168.16x = 1,337,496 × 539,475.68
  4. Step 4: Simplify right side
    969,168.16x = 721,546,564,097.28
  5. Step 5: Solve for x
    x = 721,546,564,097.28/969,168.16
  6. Step 6: Final answer
    x = 744,500.90

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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.