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Finding the Fourth Proportional to 508,759.22, 763,155.96 and 255,901.85

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Solution

The fourth proportional to 508,759.22, 763,155.96 and 255,901.85 is: 383,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,759.22 : 763,155.96 = 255,901.85 : x
  2. Step 2: Convert to fraction form
    508,759.22/763,155.96 = 255,901.85/x
  3. Step 3: Cross multiply
    508,759.22x = 763,155.96 × 255,901.85
  4. Step 4: Simplify right side
    508,759.22x = 195,293,022,002.53
  5. Step 5: Solve for x
    x = 195,293,022,002.53/508,759.22
  6. Step 6: Final answer
    x = 383,861.39

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1.5x scale

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.