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Finding the Fourth Proportional to 332,163.90, 498,245.85 and 313,793.10

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Solution

The fourth proportional to 332,163.90, 498,245.85 and 313,793.10 is: 470,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,163.90 : 498,245.85 = 313,793.10 : x
  2. Step 2: Convert to fraction form
    332,163.90/498,245.85 = 313,793.10/x
  3. Step 3: Cross multiply
    332,163.90x = 498,245.85 × 313,793.10
  4. Step 4: Simplify right side
    332,163.90x = 156,346,109,833.64
  5. Step 5: Solve for x
    x = 156,346,109,833.64/332,163.90
  6. Step 6: Final answer
    x = 470,689.65

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Similar ratio
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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.