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Finding the Fourth Proportional to 273.36, 410.34 and 163.92

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Solution

The fourth proportional to 273.36, 410.34 and 163.92 is: 246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.36 : 410.34 = 163.92 : x
  2. Step 2: Convert to fraction form
    273.36/410.34 = 163.92/x
  3. Step 3: Cross multiply
    273.36x = 410.34 × 163.92
  4. Step 4: Simplify right side
    273.36x = 67,262.93
  5. Step 5: Solve for x
    x = 67,262.93/273.36
  6. Step 6: Final answer
    x = 246.06

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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.