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Finding the Fourth Proportional to 273.33, 409.52 and 170.67

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Solution

The fourth proportional to 273.33, 409.52 and 170.67 is: 255.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.33 : 409.52 = 170.67 : x
  2. Step 2: Convert to fraction form
    273.33/409.52 = 170.67/x
  3. Step 3: Cross multiply
    273.33x = 409.52 × 170.67
  4. Step 4: Simplify right side
    273.33x = 69,891.93
  5. Step 5: Solve for x
    x = 69,891.93/273.33
  6. Step 6: Final answer
    x = 255.71

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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.