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Finding the Fourth Proportional to 239,651.56, 332,117.20 and 236,269

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Solution

The fourth proportional to 239,651.56, 332,117.20 and 236,269 is: 327,429.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,651.56 : 332,117.20 = 236,269 : x
  2. Step 2: Convert to fraction form
    239,651.56/332,117.20 = 236,269/x
  3. Step 3: Cross multiply
    239,651.56x = 332,117.20 × 236,269
  4. Step 4: Simplify right side
    239,651.56x = 78,468,998,726.80
  5. Step 5: Solve for x
    x = 78,468,998,726.80/239,651.56
  6. Step 6: Final answer
    x = 327,429.53

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.