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Finding the Fourth Proportional to 381,710.60, 572,565.90 and 224,246.60

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Solution

The fourth proportional to 381,710.60, 572,565.90 and 224,246.60 is: 336,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,710.60 : 572,565.90 = 224,246.60 : x
  2. Step 2: Convert to fraction form
    381,710.60/572,565.90 = 224,246.60/x
  3. Step 3: Cross multiply
    381,710.60x = 572,565.90 × 224,246.60
  4. Step 4: Simplify right side
    381,710.60x = 128,395,956,350.94
  5. Step 5: Solve for x
    x = 128,395,956,350.94/381,710.60
  6. Step 6: Final answer
    x = 336,369.90

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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.