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Finding the Fourth Proportional to 332,983.20, 499,474.80 and 133,334.40

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Solution

The fourth proportional to 332,983.20, 499,474.80 and 133,334.40 is: 200,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,983.20 : 499,474.80 = 133,334.40 : x
  2. Step 2: Convert to fraction form
    332,983.20/499,474.80 = 133,334.40/x
  3. Step 3: Cross multiply
    332,983.20x = 499,474.80 × 133,334.40
  4. Step 4: Simplify right side
    332,983.20x = 66,597,172,773.12
  5. Step 5: Solve for x
    x = 66,597,172,773.12/332,983.20
  6. Step 6: Final answer
    x = 200,001.60

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1.5x scale

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.