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Finding the Fourth Proportional to 496,380.20, 744,570.30 and 446,613.80

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Solution

The fourth proportional to 496,380.20, 744,570.30 and 446,613.80 is: 669,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,380.20 : 744,570.30 = 446,613.80 : x
  2. Step 2: Convert to fraction form
    496,380.20/744,570.30 = 446,613.80/x
  3. Step 3: Cross multiply
    496,380.20x = 744,570.30 × 446,613.80
  4. Step 4: Simplify right side
    496,380.20x = 332,535,371,050.14
  5. Step 5: Solve for x
    x = 332,535,371,050.14/496,380.20
  6. Step 6: Final answer
    x = 669,920.70

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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.