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Finding the Fourth Proportional to 273.66, 410.59 and 170.83

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Solution

The fourth proportional to 273.66, 410.59 and 170.83 is: 256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.66 : 410.59 = 170.83 : x
  2. Step 2: Convert to fraction form
    273.66/410.59 = 170.83/x
  3. Step 3: Cross multiply
    273.66x = 410.59 × 170.83
  4. Step 4: Simplify right side
    273.66x = 70,141.72
  5. Step 5: Solve for x
    x = 70,141.72/273.66
  6. Step 6: Final answer
    x = 256.31

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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.