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Finding the Fourth Proportional to 364.67, 547.19 and 169.79

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Solution

The fourth proportional to 364.67, 547.19 and 169.79 is: 254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.67 : 547.19 = 169.79 : x
  2. Step 2: Convert to fraction form
    364.67/547.19 = 169.79/x
  3. Step 3: Cross multiply
    364.67x = 547.19 × 169.79
  4. Step 4: Simplify right side
    364.67x = 92,903.81
  5. Step 5: Solve for x
    x = 92,903.81/364.67
  6. Step 6: Final answer
    x = 254.76

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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.