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Finding the Fourth Proportional to 411.01, 616.50 and 167.53

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Solution

The fourth proportional to 411.01, 616.50 and 167.53 is: 251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    411.01 : 616.50 = 167.53 : x
  2. Step 2: Convert to fraction form
    411.01/616.50 = 167.53/x
  3. Step 3: Cross multiply
    411.01x = 616.50 × 167.53
  4. Step 4: Simplify right side
    411.01x = 103,282.25
  5. Step 5: Solve for x
    x = 103,282.25/411.01
  6. Step 6: Final answer
    x = 251.29

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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.