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Finding the Fourth Proportional to 263.04, 363.12 and 185.76

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Solution

The fourth proportional to 263.04, 363.12 and 185.76 is: 256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.04 : 363.12 = 185.76 : x
  2. Step 2: Convert to fraction form
    263.04/363.12 = 185.76/x
  3. Step 3: Cross multiply
    263.04x = 363.12 × 185.76
  4. Step 4: Simplify right side
    263.04x = 67,453.17
  5. Step 5: Solve for x
    x = 67,453.17/263.04
  6. Step 6: Final answer
    x = 256.44

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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.