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Finding the Fourth Proportional to 392,567.06, 588,850.85 and 126,327.52

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Solution

The fourth proportional to 392,567.06, 588,850.85 and 126,327.52 is: 189,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,567.06 : 588,850.85 = 126,327.52 : x
  2. Step 2: Convert to fraction form
    392,567.06/588,850.85 = 126,327.52/x
  3. Step 3: Cross multiply
    392,567.06x = 588,850.85 × 126,327.52
  4. Step 4: Simplify right side
    392,567.06x = 74,388,067,530.39
  5. Step 5: Solve for x
    x = 74,388,067,530.39/392,567.06
  6. Step 6: Final answer
    x = 189,491.36

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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.