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Finding the Fourth Proportional to 574,771.26, 862,919.90 and 491,069.10

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Solution

The fourth proportional to 574,771.26, 862,919.90 and 491,069.10 is: 737,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,771.26 : 862,919.90 = 491,069.10 : x
  2. Step 2: Convert to fraction form
    574,771.26/862,919.90 = 491,069.10/x
  3. Step 3: Cross multiply
    574,771.26x = 862,919.90 × 491,069.10
  4. Step 4: Simplify right side
    574,771.26x = 423,753,298,665.09
  5. Step 5: Solve for x
    x = 423,753,298,665.09/574,771.26
  6. Step 6: Final answer
    x = 737,255.55

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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.