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Finding the Fourth Proportional to 425,503.45, 587,198.33 and 234,517.33

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Solution

The fourth proportional to 425,503.45, 587,198.33 and 234,517.33 is: 323,635.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,503.45 : 587,198.33 = 234,517.33 : x
  2. Step 2: Convert to fraction form
    425,503.45/587,198.33 = 234,517.33/x
  3. Step 3: Cross multiply
    425,503.45x = 587,198.33 × 234,517.33
  4. Step 4: Simplify right side
    425,503.45x = 137,708,183,359.47
  5. Step 5: Solve for x
    x = 137,708,183,359.47/425,503.45
  6. Step 6: Final answer
    x = 323,635.88

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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.