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Finding the Fourth Proportional to 499,517.80, 747,089.70 and 446,592.40

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Solution

The fourth proportional to 499,517.80, 747,089.70 and 446,592.40 is: 667,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,517.80 : 747,089.70 = 446,592.40 : x
  2. Step 2: Convert to fraction form
    499,517.80/747,089.70 = 446,592.40/x
  3. Step 3: Cross multiply
    499,517.80x = 747,089.70 × 446,592.40
  4. Step 4: Simplify right side
    499,517.80x = 333,644,582,138.28
  5. Step 5: Solve for x
    x = 333,644,582,138.28/499,517.80
  6. Step 6: Final answer
    x = 667,933.32

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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.