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Finding the Fourth Proportional to 467,998.20, 701,997.30 and 268,932.60

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Solution

The fourth proportional to 467,998.20, 701,997.30 and 268,932.60 is: 403,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,998.20 : 701,997.30 = 268,932.60 : x
  2. Step 2: Convert to fraction form
    467,998.20/701,997.30 = 268,932.60/x
  3. Step 3: Cross multiply
    467,998.20x = 701,997.30 × 268,932.60
  4. Step 4: Simplify right side
    467,998.20x = 188,789,959,081.98
  5. Step 5: Solve for x
    x = 188,789,959,081.98/467,998.20
  6. Step 6: Final answer
    x = 403,398.90

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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.