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Finding the Fourth Proportional to 267,687.36, 400,742.15 and 234,472.30

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Solution

The fourth proportional to 267,687.36, 400,742.15 and 234,472.30 is: 351,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,687.36 : 400,742.15 = 234,472.30 : x
  2. Step 2: Convert to fraction form
    267,687.36/400,742.15 = 234,472.30/x
  3. Step 3: Cross multiply
    267,687.36x = 400,742.15 × 234,472.30
  4. Step 4: Simplify right side
    267,687.36x = 93,962,933,617.45
  5. Step 5: Solve for x
    x = 93,962,933,617.45/267,687.36
  6. Step 6: Final answer
    x = 351,017.45

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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.