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Finding the Fourth Proportional to 372,245.88, 558,691.20 and 194,876.94

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Solution

The fourth proportional to 372,245.88, 558,691.20 and 194,876.94 is: 292,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,245.88 : 558,691.20 = 194,876.94 : x
  2. Step 2: Convert to fraction form
    372,245.88/558,691.20 = 194,876.94/x
  3. Step 3: Cross multiply
    372,245.88x = 558,691.20 × 194,876.94
  4. Step 4: Simplify right side
    372,245.88x = 108,876,031,460.93
  5. Step 5: Solve for x
    x = 108,876,031,460.93/372,245.88
  6. Step 6: Final answer
    x = 292,484.18

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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.