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Finding the Fourth Proportional to 300,082.74, 449,890.35 and 150,245.88

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Solution

The fourth proportional to 300,082.74, 449,890.35 and 150,245.88 is: 225,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,082.74 : 449,890.35 = 150,245.88 : x
  2. Step 2: Convert to fraction form
    300,082.74/449,890.35 = 150,245.88/x
  3. Step 3: Cross multiply
    300,082.74x = 449,890.35 × 150,245.88
  4. Step 4: Simplify right side
    300,082.74x = 67,594,171,539.26
  5. Step 5: Solve for x
    x = 67,594,171,539.26/300,082.74
  6. Step 6: Final answer
    x = 225,251.78

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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.