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Finding the Fourth Proportional to 363.49, 544.42 and 276.69

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Solution

The fourth proportional to 363.49, 544.42 and 276.69 is: 414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.49 : 544.42 = 276.69 : x
  2. Step 2: Convert to fraction form
    363.49/544.42 = 276.69/x
  3. Step 3: Cross multiply
    363.49x = 544.42 × 276.69
  4. Step 4: Simplify right side
    363.49x = 150,635.57
  5. Step 5: Solve for x
    x = 150,635.57/363.49
  6. Step 6: Final answer
    x = 414.41

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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.