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Finding the Fourth Proportional to 574,486.80, 861,859.42 and 175,167.94

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Solution

The fourth proportional to 574,486.80, 861,859.42 and 175,167.94 is: 262,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,486.80 : 861,859.42 = 175,167.94 : x
  2. Step 2: Convert to fraction form
    574,486.80/861,859.42 = 175,167.94/x
  3. Step 3: Cross multiply
    574,486.80x = 861,859.42 × 175,167.94
  4. Step 4: Simplify right side
    574,486.80x = 150,970,139,171.00
  5. Step 5: Solve for x
    x = 150,970,139,171.00/574,486.80
  6. Step 6: Final answer
    x = 262,791.31

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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.