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Finding the Fourth Proportional to 400,687.41, 600,076.99 and 231,851.92

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Solution

The fourth proportional to 400,687.41, 600,076.99 and 231,851.92 is: 347,225.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,687.41 : 600,076.99 = 231,851.92 : x
  2. Step 2: Convert to fraction form
    400,687.41/600,076.99 = 231,851.92/x
  3. Step 3: Cross multiply
    400,687.41x = 600,076.99 × 231,851.92
  4. Step 4: Simplify right side
    400,687.41x = 139,129,002,279.32
  5. Step 5: Solve for x
    x = 139,129,002,279.32/400,687.41
  6. Step 6: Final answer
    x = 347,225.79

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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.