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Finding the Fourth Proportional to 431,908.60, 596,033.46 and 240,921.88

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Solution

The fourth proportional to 431,908.60, 596,033.46 and 240,921.88 is: 332,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,908.60 : 596,033.46 = 240,921.88 : x
  2. Step 2: Convert to fraction form
    431,908.60/596,033.46 = 240,921.88/x
  3. Step 3: Cross multiply
    431,908.60x = 596,033.46 × 240,921.88
  4. Step 4: Simplify right side
    431,908.60x = 143,597,501,726.11
  5. Step 5: Solve for x
    x = 143,597,501,726.11/431,908.60
  6. Step 6: Final answer
    x = 332,471.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.