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Finding the Fourth Proportional to 273.32, 410.30 and 170.84

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Solution

The fourth proportional to 273.32, 410.30 and 170.84 is: 256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.32 : 410.30 = 170.84 : x
  2. Step 2: Convert to fraction form
    273.32/410.30 = 170.84/x
  3. Step 3: Cross multiply
    273.32x = 410.30 × 170.84
  4. Step 4: Simplify right side
    273.32x = 70,095.65
  5. Step 5: Solve for x
    x = 70,095.65/273.32
  6. Step 6: Final answer
    x = 256.46

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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.