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Finding the Fourth Proportional to 372,758.24, 558,296.16 and 172,658.30

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Solution

The fourth proportional to 372,758.24, 558,296.16 and 172,658.30 is: 258,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,758.24 : 558,296.16 = 172,658.30 : x
  2. Step 2: Convert to fraction form
    372,758.24/558,296.16 = 172,658.30/x
  3. Step 3: Cross multiply
    372,758.24x = 558,296.16 × 172,658.30
  4. Step 4: Simplify right side
    372,758.24x = 96,394,465,882.13
  5. Step 5: Solve for x
    x = 96,394,465,882.13/372,758.24
  6. Step 6: Final answer
    x = 258,597.81

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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.