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Finding the Fourth Proportional to 372,793.39, 514,469.43 and 211,663.43

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Solution

The fourth proportional to 372,793.39, 514,469.43 and 211,663.43 is: 292,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,793.39 : 514,469.43 = 211,663.43 : x
  2. Step 2: Convert to fraction form
    372,793.39/514,469.43 = 211,663.43/x
  3. Step 3: Cross multiply
    372,793.39x = 514,469.43 × 211,663.43
  4. Step 4: Simplify right side
    372,793.39x = 108,894,364,183.95
  5. Step 5: Solve for x
    x = 108,894,364,183.95/372,793.39
  6. Step 6: Final answer
    x = 292,103.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.