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Finding the Fourth Proportional to 425,974.64, 587,841.72 and 234,996.08

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Solution

The fourth proportional to 425,974.64, 587,841.72 and 234,996.08 is: 324,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,974.64 : 587,841.72 = 234,996.08 : x
  2. Step 2: Convert to fraction form
    425,974.64/587,841.72 = 234,996.08/x
  3. Step 3: Cross multiply
    425,974.64x = 587,841.72 × 234,996.08
  4. Step 4: Simplify right side
    425,974.64x = 138,140,499,860.46
  5. Step 5: Solve for x
    x = 138,140,499,860.46/425,974.64
  6. Step 6: Final answer
    x = 324,292.78

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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.