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Finding the Fourth Proportional to 338,656.27, 467,346.31 and 187,753.27

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Solution

The fourth proportional to 338,656.27, 467,346.31 and 187,753.27 is: 259,099.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,656.27 : 467,346.31 = 187,753.27 : x
  2. Step 2: Convert to fraction form
    338,656.27/467,346.31 = 187,753.27/x
  3. Step 3: Cross multiply
    338,656.27x = 467,346.31 × 187,753.27
  4. Step 4: Simplify right side
    338,656.27x = 87,745,797,924.93
  5. Step 5: Solve for x
    x = 87,745,797,924.93/338,656.27
  6. Step 6: Final answer
    x = 259,099.88

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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.