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Finding the Fourth Proportional to 574,163.80, 861,245.70 and 174,801.40

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Solution

The fourth proportional to 574,163.80, 861,245.70 and 174,801.40 is: 262,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,163.80 : 861,245.70 = 174,801.40 : x
  2. Step 2: Convert to fraction form
    574,163.80/861,245.70 = 174,801.40/x
  3. Step 3: Cross multiply
    574,163.80x = 861,245.70 × 174,801.40
  4. Step 4: Simplify right side
    574,163.80x = 150,546,954,103.98
  5. Step 5: Solve for x
    x = 150,546,954,103.98/574,163.80
  6. Step 6: Final answer
    x = 262,202.10

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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.