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Finding the Fourth Proportional to 410,122.40, 615,337.20 and 160,983.20

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Solution

The fourth proportional to 410,122.40, 615,337.20 and 160,983.20 is: 241,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,122.40 : 615,337.20 = 160,983.20 : x
  2. Step 2: Convert to fraction form
    410,122.40/615,337.20 = 160,983.20/x
  3. Step 3: Cross multiply
    410,122.40x = 615,337.20 × 160,983.20
  4. Step 4: Simplify right side
    410,122.40x = 99,058,951,535.04
  5. Step 5: Solve for x
    x = 99,058,951,535.04/410,122.40
  6. Step 6: Final answer
    x = 241,535.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.