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Finding the Fourth Proportional to 332,372.87, 458,620.47 and 196,387.91

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Solution

The fourth proportional to 332,372.87, 458,620.47 and 196,387.91 is: 270,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,372.87 : 458,620.47 = 196,387.91 : x
  2. Step 2: Convert to fraction form
    332,372.87/458,620.47 = 196,387.91/x
  3. Step 3: Cross multiply
    332,372.87x = 458,620.47 × 196,387.91
  4. Step 4: Simplify right side
    332,372.87x = 90,067,513,293.42
  5. Step 5: Solve for x
    x = 90,067,513,293.42/332,372.87
  6. Step 6: Final answer
    x = 270,983.35

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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.