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Finding the Fourth Proportional to 496,906.60, 745,359.90 and 471,245.80

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Solution

The fourth proportional to 496,906.60, 745,359.90 and 471,245.80 is: 706,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,906.60 : 745,359.90 = 471,245.80 : x
  2. Step 2: Convert to fraction form
    496,906.60/745,359.90 = 471,245.80/x
  3. Step 3: Cross multiply
    496,906.60x = 745,359.90 × 471,245.80
  4. Step 4: Simplify right side
    496,906.60x = 351,247,722,363.42
  5. Step 5: Solve for x
    x = 351,247,722,363.42/496,906.60
  6. Step 6: Final answer
    x = 706,868.70

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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.