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Finding the Fourth Proportional to 392,340.08, 588,422.52 and 181,950.64

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Solution

The fourth proportional to 392,340.08, 588,422.52 and 181,950.64 is: 272,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,340.08 : 588,422.52 = 181,950.64 : x
  2. Step 2: Convert to fraction form
    392,340.08/588,422.52 = 181,950.64/x
  3. Step 3: Cross multiply
    392,340.08x = 588,422.52 × 181,950.64
  4. Step 4: Simplify right side
    392,340.08x = 107,063,854,104.41
  5. Step 5: Solve for x
    x = 107,063,854,104.41/392,340.08
  6. Step 6: Final answer
    x = 272,885.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.