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Finding the Fourth Proportional to 425,978.68, 587,841.11 and 234,992.02

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Solution

The fourth proportional to 425,978.68, 587,841.11 and 234,992.02 is: 324,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,978.68 : 587,841.11 = 234,992.02 : x
  2. Step 2: Convert to fraction form
    425,978.68/587,841.11 = 234,992.02/x
  3. Step 3: Cross multiply
    425,978.68x = 587,841.11 × 234,992.02
  4. Step 4: Simplify right side
    425,978.68x = 138,137,966,938.74
  5. Step 5: Solve for x
    x = 138,137,966,938.74/425,978.68
  6. Step 6: Final answer
    x = 324,283.76

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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.