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Finding the Fourth Proportional to 574,216.78, 861,449.71 and 174,847.09

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Solution

The fourth proportional to 574,216.78, 861,449.71 and 174,847.09 is: 262,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,216.78 : 861,449.71 = 174,847.09 : x
  2. Step 2: Convert to fraction form
    574,216.78/861,449.71 = 174,847.09/x
  3. Step 3: Cross multiply
    574,216.78x = 861,449.71 × 174,847.09
  4. Step 4: Simplify right side
    574,216.78x = 150,621,974,974.84
  5. Step 5: Solve for x
    x = 150,621,974,974.84/574,216.78
  6. Step 6: Final answer
    x = 262,308.56

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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.