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Finding the Fourth Proportional to 362.16, 542.97 and 179.46

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Solution

The fourth proportional to 362.16, 542.97 and 179.46 is: 269.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.16 : 542.97 = 179.46 : x
  2. Step 2: Convert to fraction form
    362.16/542.97 = 179.46/x
  3. Step 3: Cross multiply
    362.16x = 542.97 × 179.46
  4. Step 4: Simplify right side
    362.16x = 97,441.40
  5. Step 5: Solve for x
    x = 97,441.40/362.16
  6. Step 6: Final answer
    x = 269.06

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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.