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Finding the Fourth Proportional to 276.12, 413.82 and 241.92

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Solution

The fourth proportional to 276.12, 413.82 and 241.92 is: 362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.12 : 413.82 = 241.92 : x
  2. Step 2: Convert to fraction form
    276.12/413.82 = 241.92/x
  3. Step 3: Cross multiply
    276.12x = 413.82 × 241.92
  4. Step 4: Simplify right side
    276.12x = 100,111.33
  5. Step 5: Solve for x
    x = 100,111.33/276.12
  6. Step 6: Final answer
    x = 362.56

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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.