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Finding the Fourth Proportional to 427,922.92, 590,540.88 and 234,327.52

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Solution

The fourth proportional to 427,922.92, 590,540.88 and 234,327.52 is: 323,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,922.92 : 590,540.88 = 234,327.52 : x
  2. Step 2: Convert to fraction form
    427,922.92/590,540.88 = 234,327.52/x
  3. Step 3: Cross multiply
    427,922.92x = 590,540.88 × 234,327.52
  4. Step 4: Simplify right side
    427,922.92x = 138,379,979,869.02
  5. Step 5: Solve for x
    x = 138,379,979,869.02/427,922.92
  6. Step 6: Final answer
    x = 323,375.95

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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.