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Finding the Fourth Proportional to 499,519.80, 747,092.70 and 446,594.40

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Solution

The fourth proportional to 499,519.80, 747,092.70 and 446,594.40 is: 667,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,519.80 : 747,092.70 = 446,594.40 : x
  2. Step 2: Convert to fraction form
    499,519.80/747,092.70 = 446,594.40/x
  3. Step 3: Cross multiply
    499,519.80x = 747,092.70 × 446,594.40
  4. Step 4: Simplify right side
    499,519.80x = 333,647,416,100.88
  5. Step 5: Solve for x
    x = 333,647,416,100.88/499,519.80
  6. Step 6: Final answer
    x = 667,936.32

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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.