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Finding the Fourth Proportional to 332,877.28, 499,336.94 and 140,715.88

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Solution

The fourth proportional to 332,877.28, 499,336.94 and 140,715.88 is: 211,082.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,877.28 : 499,336.94 = 140,715.88 : x
  2. Step 2: Convert to fraction form
    332,877.28/499,336.94 = 140,715.88/x
  3. Step 3: Cross multiply
    332,877.28x = 499,336.94 × 140,715.88
  4. Step 4: Simplify right side
    332,877.28x = 70,264,636,928.61
  5. Step 5: Solve for x
    x = 70,264,636,928.61/332,877.28
  6. Step 6: Final answer
    x = 211,082.71

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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.