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Finding the Fourth Proportional to 248.04, 371.46 and 179.28

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Solution

The fourth proportional to 248.04, 371.46 and 179.28 is: 268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.04 : 371.46 = 179.28 : x
  2. Step 2: Convert to fraction form
    248.04/371.46 = 179.28/x
  3. Step 3: Cross multiply
    248.04x = 371.46 × 179.28
  4. Step 4: Simplify right side
    248.04x = 66,595.35
  5. Step 5: Solve for x
    x = 66,595.35/248.04
  6. Step 6: Final answer
    x = 268.49

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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.