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Finding the Fourth Proportional to 332,591.31, 458,976.44 and 189,351.35

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Solution

The fourth proportional to 332,591.31, 458,976.44 and 189,351.35 is: 261,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,591.31 : 458,976.44 = 189,351.35 : x
  2. Step 2: Convert to fraction form
    332,591.31/458,976.44 = 189,351.35/x
  3. Step 3: Cross multiply
    332,591.31x = 458,976.44 × 189,351.35
  4. Step 4: Simplify right side
    332,591.31x = 86,907,805,290.56
  5. Step 5: Solve for x
    x = 86,907,805,290.56/332,591.31
  6. Step 6: Final answer
    x = 261,305.10

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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.