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Finding the Fourth Proportional to 332,283.82, 498,401.49 and 129,841.87

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Solution

The fourth proportional to 332,283.82, 498,401.49 and 129,841.87 is: 194,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,283.82 : 498,401.49 = 129,841.87 : x
  2. Step 2: Convert to fraction form
    332,283.82/498,401.49 = 129,841.87/x
  3. Step 3: Cross multiply
    332,283.82x = 498,401.49 × 129,841.87
  4. Step 4: Simplify right side
    332,283.82x = 64,713,381,472.39
  5. Step 5: Solve for x
    x = 64,713,381,472.39/332,283.82
  6. Step 6: Final answer
    x = 194,753.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.