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Finding the Fourth Proportional to 574,485.30, 861,857.17 and 175,166.44

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Solution

The fourth proportional to 574,485.30, 861,857.17 and 175,166.44 is: 262,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,485.30 : 861,857.17 = 175,166.44 : x
  2. Step 2: Convert to fraction form
    574,485.30/861,857.17 = 175,166.44/x
  3. Step 3: Cross multiply
    574,485.30x = 861,857.17 × 175,166.44
  4. Step 4: Simplify right side
    574,485.30x = 150,968,452,257.38
  5. Step 5: Solve for x
    x = 150,968,452,257.38/574,485.30
  6. Step 6: Final answer
    x = 262,789.06

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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.