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Finding the Fourth Proportional to 263.84, 363.76 and 165.56

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Solution

The fourth proportional to 263.84, 363.76 and 165.56 is: 228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.84 : 363.76 = 165.56 : x
  2. Step 2: Convert to fraction form
    263.84/363.76 = 165.56/x
  3. Step 3: Cross multiply
    263.84x = 363.76 × 165.56
  4. Step 4: Simplify right side
    263.84x = 60,224.11
  5. Step 5: Solve for x
    x = 60,224.11/263.84
  6. Step 6: Final answer
    x = 228.26

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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.