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Finding the Fourth Proportional to 508,107.20, 762,455.96 and 227,624.45

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Solution

The fourth proportional to 508,107.20, 762,455.96 and 227,624.45 is: 341,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,107.20 : 762,455.96 = 227,624.45 : x
  2. Step 2: Convert to fraction form
    508,107.20/762,455.96 = 227,624.45/x
  3. Step 3: Cross multiply
    508,107.20x = 762,455.96 × 227,624.45
  4. Step 4: Simplify right side
    508,107.20x = 173,553,613,593.82
  5. Step 5: Solve for x
    x = 173,553,613,593.82/508,107.20
  6. Step 6: Final answer
    x = 341,568.90

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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.