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Finding the Fourth Proportional to 362.68, 543.51 and 179.96

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Solution

The fourth proportional to 362.68, 543.51 and 179.96 is: 269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.68 : 543.51 = 179.96 : x
  2. Step 2: Convert to fraction form
    362.68/543.51 = 179.96/x
  3. Step 3: Cross multiply
    362.68x = 543.51 × 179.96
  4. Step 4: Simplify right side
    362.68x = 97,807.34
  5. Step 5: Solve for x
    x = 97,807.34/362.68
  6. Step 6: Final answer
    x = 269.68

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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.