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Finding the Fourth Proportional to 425,449.80, 587,146.68 and 234,462.96

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Solution

The fourth proportional to 425,449.80, 587,146.68 and 234,462.96 is: 323,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,449.80 : 587,146.68 = 234,462.96 : x
  2. Step 2: Convert to fraction form
    425,449.80/587,146.68 = 234,462.96/x
  3. Step 3: Cross multiply
    425,449.80x = 587,146.68 × 234,462.96
  4. Step 4: Simplify right side
    425,449.80x = 137,664,148,546.97
  5. Step 5: Solve for x
    x = 137,664,148,546.97/425,449.80
  6. Step 6: Final answer
    x = 323,573.19

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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.