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Finding the Fourth Proportional to 332,479.28, 498,768.20 and 122,100.88

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Solution

The fourth proportional to 332,479.28, 498,768.20 and 122,100.88 is: 183,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,479.28 : 498,768.20 = 122,100.88 : x
  2. Step 2: Convert to fraction form
    332,479.28/498,768.20 = 122,100.88/x
  3. Step 3: Cross multiply
    332,479.28x = 498,768.20 × 122,100.88
  4. Step 4: Simplify right side
    332,479.28x = 60,900,036,136.02
  5. Step 5: Solve for x
    x = 60,900,036,136.02/332,479.28
  6. Step 6: Final answer
    x = 183,169.42

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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.