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Finding the Fourth Proportional to 363.39, 544.76 and 158.12

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Solution

The fourth proportional to 363.39, 544.76 and 158.12 is: 237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.39 : 544.76 = 158.12 : x
  2. Step 2: Convert to fraction form
    363.39/544.76 = 158.12/x
  3. Step 3: Cross multiply
    363.39x = 544.76 × 158.12
  4. Step 4: Simplify right side
    363.39x = 86,137.45
  5. Step 5: Solve for x
    x = 86,137.45/363.39
  6. Step 6: Final answer
    x = 237.04

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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.