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Finding the Fourth Proportional to 276,044.10, 414,066.15 and 231,429.30

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Solution

The fourth proportional to 276,044.10, 414,066.15 and 231,429.30 is: 347,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,044.10 : 414,066.15 = 231,429.30 : x
  2. Step 2: Convert to fraction form
    276,044.10/414,066.15 = 231,429.30/x
  3. Step 3: Cross multiply
    276,044.10x = 414,066.15 × 231,429.30
  4. Step 4: Simplify right side
    276,044.10x = 95,827,039,248.20
  5. Step 5: Solve for x
    x = 95,827,039,248.20/276,044.10
  6. Step 6: Final answer
    x = 347,143.95

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Similar ratio
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1.5x scale

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.