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Finding the Fourth Proportional to 440,092.80, 659,620.80 and 187,372.80

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Solution

The fourth proportional to 440,092.80, 659,620.80 and 187,372.80 is: 280,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,092.80 : 659,620.80 = 187,372.80 : x
  2. Step 2: Convert to fraction form
    440,092.80/659,620.80 = 187,372.80/x
  3. Step 3: Cross multiply
    440,092.80x = 659,620.80 × 187,372.80
  4. Step 4: Simplify right side
    440,092.80x = 123,594,996,234.24
  5. Step 5: Solve for x
    x = 123,594,996,234.24/440,092.80
  6. Step 6: Final answer
    x = 280,838.49

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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.