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Finding the Fourth Proportional to 492,163.90, 738,245.85 and 482,832.70

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Solution

The fourth proportional to 492,163.90, 738,245.85 and 482,832.70 is: 724,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,163.90 : 738,245.85 = 482,832.70 : x
  2. Step 2: Convert to fraction form
    492,163.90/738,245.85 = 482,832.70/x
  3. Step 3: Cross multiply
    492,163.90x = 738,245.85 × 482,832.70
  4. Step 4: Simplify right side
    492,163.90x = 356,449,237,019.30
  5. Step 5: Solve for x
    x = 356,449,237,019.30/492,163.90
  6. Step 6: Final answer
    x = 724,249.05

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Double scale
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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.