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Finding the Fourth Proportional to 454,908.10, 682,245.32 and 134,984.30

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Solution

The fourth proportional to 454,908.10, 682,245.32 and 134,984.30 is: 202,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,908.10 : 682,245.32 = 134,984.30 : x
  2. Step 2: Convert to fraction form
    454,908.10/682,245.32 = 134,984.30/x
  3. Step 3: Cross multiply
    454,908.10x = 682,245.32 × 134,984.30
  4. Step 4: Simplify right side
    454,908.10x = 92,092,406,948.48
  5. Step 5: Solve for x
    x = 92,092,406,948.48/454,908.10
  6. Step 6: Final answer
    x = 202,441.78

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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.