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Finding the Fourth Proportional to 249, 371.91 and 236.04

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Solution

The fourth proportional to 249, 371.91 and 236.04 is: 352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    249 : 371.91 = 236.04 : x
  2. Step 2: Convert to fraction form
    249/371.91 = 236.04/x
  3. Step 3: Cross multiply
    249x = 371.91 × 236.04
  4. Step 4: Simplify right side
    249x = 87,785.64
  5. Step 5: Solve for x
    x = 87,785.64/249
  6. Step 6: Final answer
    x = 352.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.