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Finding the Fourth Proportional to 425,438.58, 587,105.24 and 234,451.97

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Solution

The fourth proportional to 425,438.58, 587,105.24 and 234,451.97 is: 323,543.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,438.58 : 587,105.24 = 234,451.97 : x
  2. Step 2: Convert to fraction form
    425,438.58/587,105.24 = 234,451.97/x
  3. Step 3: Cross multiply
    425,438.58x = 587,105.24 × 234,451.97
  4. Step 4: Simplify right side
    425,438.58x = 137,647,978,209.18
  5. Step 5: Solve for x
    x = 137,647,978,209.18/425,438.58
  6. Step 6: Final answer
    x = 323,543.71

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1.5x scale

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.