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Finding the Fourth Proportional to 496,658.20, 744,987.30 and 446,891.80

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Solution

The fourth proportional to 496,658.20, 744,987.30 and 446,891.80 is: 670,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,658.20 : 744,987.30 = 446,891.80 : x
  2. Step 2: Convert to fraction form
    496,658.20/744,987.30 = 446,891.80/x
  3. Step 3: Cross multiply
    496,658.20x = 744,987.30 × 446,891.80
  4. Step 4: Simplify right side
    496,658.20x = 332,928,715,474.14
  5. Step 5: Solve for x
    x = 332,928,715,474.14/496,658.20
  6. Step 6: Final answer
    x = 670,337.70

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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.