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Finding the Fourth Proportional to 363.97, 546.32 and 248.59

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Solution

The fourth proportional to 363.97, 546.32 and 248.59 is: 373.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    363.97 : 546.32 = 248.59 : x
  2. Step 2: Convert to fraction form
    363.97/546.32 = 248.59/x
  3. Step 3: Cross multiply
    363.97x = 546.32 × 248.59
  4. Step 4: Simplify right side
    363.97x = 135,809.69
  5. Step 5: Solve for x
    x = 135,809.69/363.97
  6. Step 6: Final answer
    x = 373.13

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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.