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Finding the Fourth Proportional to 496,235.20, 744,352.80 and 454,244.80

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Solution

The fourth proportional to 496,235.20, 744,352.80 and 454,244.80 is: 681,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,235.20 : 744,352.80 = 454,244.80 : x
  2. Step 2: Convert to fraction form
    496,235.20/744,352.80 = 454,244.80/x
  3. Step 3: Cross multiply
    496,235.20x = 744,352.80 × 454,244.80
  4. Step 4: Simplify right side
    496,235.20x = 338,118,388,765.44
  5. Step 5: Solve for x
    x = 338,118,388,765.44/496,235.20
  6. Step 6: Final answer
    x = 681,367.20

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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.