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Finding the Fourth Proportional to 274,462.88, 412,165.48 and 168,469.26

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Solution

The fourth proportional to 274,462.88, 412,165.48 and 168,469.26 is: 252,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,462.88 : 412,165.48 = 168,469.26 : x
  2. Step 2: Convert to fraction form
    274,462.88/412,165.48 = 168,469.26/x
  3. Step 3: Cross multiply
    274,462.88x = 412,165.48 × 168,469.26
  4. Step 4: Simplify right side
    274,462.88x = 69,437,213,413.14
  5. Step 5: Solve for x
    x = 69,437,213,413.14/274,462.88
  6. Step 6: Final answer
    x = 252,993.09

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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.