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Finding the Fourth Proportional to 499,522.80, 747,097.20 and 446,597.40

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Solution

The fourth proportional to 499,522.80, 747,097.20 and 446,597.40 is: 667,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,522.80 : 747,097.20 = 446,597.40 : x
  2. Step 2: Convert to fraction form
    499,522.80/747,097.20 = 446,597.40/x
  3. Step 3: Cross multiply
    499,522.80x = 747,097.20 × 446,597.40
  4. Step 4: Simplify right side
    499,522.80x = 333,651,667,067.28
  5. Step 5: Solve for x
    x = 333,651,667,067.28/499,522.80
  6. Step 6: Final answer
    x = 667,940.82

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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.