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Finding the Fourth Proportional to 498,468.80, 746,650.20 and 330,069.80

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Solution

The fourth proportional to 498,468.80, 746,650.20 and 330,069.80 is: 494,407.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,468.80 : 746,650.20 = 330,069.80 : x
  2. Step 2: Convert to fraction form
    498,468.80/746,650.20 = 330,069.80/x
  3. Step 3: Cross multiply
    498,468.80x = 746,650.20 × 330,069.80
  4. Step 4: Simplify right side
    498,468.80x = 246,446,682,183.96
  5. Step 5: Solve for x
    x = 246,446,682,183.96/498,468.80
  6. Step 6: Final answer
    x = 494,407.44

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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.