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Finding the Fourth Proportional to 239,650.56, 332,115.82 and 236,268

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Solution

The fourth proportional to 239,650.56, 332,115.82 and 236,268 is: 327,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,650.56 : 332,115.82 = 236,268 : x
  2. Step 2: Convert to fraction form
    239,650.56/332,115.82 = 236,268/x
  3. Step 3: Cross multiply
    239,650.56x = 332,115.82 × 236,268
  4. Step 4: Simplify right side
    239,650.56x = 78,468,339,969.09
  5. Step 5: Solve for x
    x = 78,468,339,969.09/239,650.56
  6. Step 6: Final answer
    x = 327,428.15

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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.