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Finding the Fourth Proportional to 366,614.16, 550,008.72 and 129,977.52

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Solution

The fourth proportional to 366,614.16, 550,008.72 and 129,977.52 is: 194,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,614.16 : 550,008.72 = 129,977.52 : x
  2. Step 2: Convert to fraction form
    366,614.16/550,008.72 = 129,977.52/x
  3. Step 3: Cross multiply
    366,614.16x = 550,008.72 × 129,977.52
  4. Step 4: Simplify right side
    366,614.16x = 71,488,769,403.97
  5. Step 5: Solve for x
    x = 71,488,769,403.97/366,614.16
  6. Step 6: Final answer
    x = 194,997.29

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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.