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Finding the Fourth Proportional to 307,062.40, 460,939.20 and 237,251.20

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Solution

The fourth proportional to 307,062.40, 460,939.20 and 237,251.20 is: 356,143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,062.40 : 460,939.20 = 237,251.20 : x
  2. Step 2: Convert to fraction form
    307,062.40/460,939.20 = 237,251.20/x
  3. Step 3: Cross multiply
    307,062.40x = 460,939.20 × 237,251.20
  4. Step 4: Simplify right side
    307,062.40x = 109,358,378,327.04
  5. Step 5: Solve for x
    x = 109,358,378,327.04/307,062.40
  6. Step 6: Final answer
    x = 356,143.83

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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.