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Finding the Fourth Proportional to 574,958.44, 861,854.46 and 274,999.24

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Solution

The fourth proportional to 574,958.44, 861,854.46 and 274,999.24 is: 412,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,958.44 : 861,854.46 = 274,999.24 : x
  2. Step 2: Convert to fraction form
    574,958.44/861,854.46 = 274,999.24/x
  3. Step 3: Cross multiply
    574,958.44x = 861,854.46 × 274,999.24
  4. Step 4: Simplify right side
    574,958.44x = 237,009,321,490.61
  5. Step 5: Solve for x
    x = 237,009,321,490.61/574,958.44
  6. Step 6: Final answer
    x = 412,219.92

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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.