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Finding the Fourth Proportional to 441,614.98, 662,520.20 and 161,131.42

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Solution

The fourth proportional to 441,614.98, 662,520.20 and 161,131.42 is: 241,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,614.98 : 662,520.20 = 161,131.42 : x
  2. Step 2: Convert to fraction form
    441,614.98/662,520.20 = 161,131.42/x
  3. Step 3: Cross multiply
    441,614.98x = 662,520.20 × 161,131.42
  4. Step 4: Simplify right side
    441,614.98x = 106,752,820,604.68
  5. Step 5: Solve for x
    x = 106,752,820,604.68/441,614.98
  6. Step 6: Final answer
    x = 241,732.79

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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.