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Finding the Fourth Proportional to 338,650.60, 467,126.34 and 217,949.80

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Solution

The fourth proportional to 338,650.60, 467,126.34 and 217,949.80 is: 300,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,650.60 : 467,126.34 = 217,949.80 : x
  2. Step 2: Convert to fraction form
    338,650.60/467,126.34 = 217,949.80/x
  3. Step 3: Cross multiply
    338,650.60x = 467,126.34 × 217,949.80
  4. Step 4: Simplify right side
    338,650.60x = 101,810,092,377.73
  5. Step 5: Solve for x
    x = 101,810,092,377.73/338,650.60
  6. Step 6: Final answer
    x = 300,634.61

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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.