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Finding the Fourth Proportional to 267,695.18, 400,753.85 and 234,480.12

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Solution

The fourth proportional to 267,695.18, 400,753.85 and 234,480.12 is: 351,029.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,695.18 : 400,753.85 = 234,480.12 : x
  2. Step 2: Convert to fraction form
    267,695.18/400,753.85 = 234,480.12/x
  3. Step 3: Cross multiply
    267,695.18x = 400,753.85 × 234,480.12
  4. Step 4: Simplify right side
    267,695.18x = 93,968,809,666.06
  5. Step 5: Solve for x
    x = 93,968,809,666.06/267,695.18
  6. Step 6: Final answer
    x = 351,029.15

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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.