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Finding the Fourth Proportional to 454,967.10, 682,450.65 and 449,062.20

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Solution

The fourth proportional to 454,967.10, 682,450.65 and 449,062.20 is: 673,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,967.10 : 682,450.65 = 449,062.20 : x
  2. Step 2: Convert to fraction form
    454,967.10/682,450.65 = 449,062.20/x
  3. Step 3: Cross multiply
    454,967.10x = 682,450.65 × 449,062.20
  4. Step 4: Simplify right side
    454,967.10x = 306,462,790,280.43
  5. Step 5: Solve for x
    x = 306,462,790,280.43/454,967.10
  6. Step 6: Final answer
    x = 673,593.30

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Similar ratio
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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.