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Finding the Fourth Proportional to 372,320.88, 558,714.60 and 150,704.88

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Solution

The fourth proportional to 372,320.88, 558,714.60 and 150,704.88 is: 226,151.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,320.88 : 558,714.60 = 150,704.88 : x
  2. Step 2: Convert to fraction form
    372,320.88/558,714.60 = 150,704.88/x
  3. Step 3: Cross multiply
    372,320.88x = 558,714.60 × 150,704.88
  4. Step 4: Simplify right side
    372,320.88x = 84,201,016,747.25
  5. Step 5: Solve for x
    x = 84,201,016,747.25/372,320.88
  6. Step 6: Final answer
    x = 226,151.75

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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.