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Finding the Fourth Proportional to 283,508.62, 425,115.27 and 133,708.69

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Solution

The fourth proportional to 283,508.62, 425,115.27 and 133,708.69 is: 200,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,508.62 : 425,115.27 = 133,708.69 : x
  2. Step 2: Convert to fraction form
    283,508.62/425,115.27 = 133,708.69/x
  3. Step 3: Cross multiply
    283,508.62x = 425,115.27 × 133,708.69
  4. Step 4: Simplify right side
    283,508.62x = 56,841,605,850.70
  5. Step 5: Solve for x
    x = 56,841,605,850.70/283,508.62
  6. Step 6: Final answer
    x = 200,493.40

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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.