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Finding the Fourth Proportional to 363.54, 501.75 and 265.17

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Solution

The fourth proportional to 363.54, 501.75 and 265.17 is: 365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.54 : 501.75 = 265.17 : x
  2. Step 2: Convert to fraction form
    363.54/501.75 = 265.17/x
  3. Step 3: Cross multiply
    363.54x = 501.75 × 265.17
  4. Step 4: Simplify right side
    363.54x = 133,049.05
  5. Step 5: Solve for x
    x = 133,049.05/363.54
  6. Step 6: Final answer
    x = 365.98

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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.