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Finding the Fourth Proportional to 263, 363.04 and 171

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Solution

The fourth proportional to 263, 363.04 and 171 is: 236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263 : 363.04 = 171 : x
  2. Step 2: Convert to fraction form
    263/363.04 = 171/x
  3. Step 3: Cross multiply
    263x = 363.04 × 171
  4. Step 4: Simplify right side
    263x = 62,079.84
  5. Step 5: Solve for x
    x = 62,079.84/263
  6. Step 6: Final answer
    x = 236.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.