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Finding the Fourth Proportional to 332,909.94, 499,414.68 and 122,531.88

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Solution

The fourth proportional to 332,909.94, 499,414.68 and 122,531.88 is: 183,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,909.94 : 499,414.68 = 122,531.88 : x
  2. Step 2: Convert to fraction form
    332,909.94/499,414.68 = 122,531.88/x
  3. Step 3: Cross multiply
    332,909.94x = 499,414.68 × 122,531.88
  4. Step 4: Simplify right side
    332,909.94x = 61,194,219,640.00
  5. Step 5: Solve for x
    x = 61,194,219,640.00/332,909.94
  6. Step 6: Final answer
    x = 183,816.14

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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.