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Finding the Fourth Proportional to 329.52, 494.04 and 248.16

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Solution

The fourth proportional to 329.52, 494.04 and 248.16 is: 372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.52 : 494.04 = 248.16 : x
  2. Step 2: Convert to fraction form
    329.52/494.04 = 248.16/x
  3. Step 3: Cross multiply
    329.52x = 494.04 × 248.16
  4. Step 4: Simplify right side
    329.52x = 122,600.97
  5. Step 5: Solve for x
    x = 122,600.97/329.52
  6. Step 6: Final answer
    x = 372.06

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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.