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Finding the Fourth Proportional to 667,082.96, 1,000,630.68 and 168,446.48

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Solution

The fourth proportional to 667,082.96, 1,000,630.68 and 168,446.48 is: 252,671.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,082.96 : 1,000,630.68 = 168,446.48 : x
  2. Step 2: Convert to fraction form
    667,082.96/1,000,630.68 = 168,446.48/x
  3. Step 3: Cross multiply
    667,082.96x = 1,000,630.68 × 168,446.48
  4. Step 4: Simplify right side
    667,082.96x = 168,552,715,826.01
  5. Step 5: Solve for x
    x = 168,552,715,826.01/667,082.96
  6. Step 6: Final answer
    x = 252,671.30

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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.