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Finding the Fourth Proportional to 332,376.48, 458,712.72 and 198,240.48

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Solution

The fourth proportional to 332,376.48, 458,712.72 and 198,240.48 is: 273,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,376.48 : 458,712.72 = 198,240.48 : x
  2. Step 2: Convert to fraction form
    332,376.48/458,712.72 = 198,240.48/x
  3. Step 3: Cross multiply
    332,376.48x = 458,712.72 × 198,240.48
  4. Step 4: Simplify right side
    332,376.48x = 90,935,429,794.91
  5. Step 5: Solve for x
    x = 90,935,429,794.91/332,376.48
  6. Step 6: Final answer
    x = 273,591.65

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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.