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Finding the Fourth Proportional to 270.22, 404.46 and 167.02

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Solution

The fourth proportional to 270.22, 404.46 and 167.02 is: 249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.22 : 404.46 = 167.02 : x
  2. Step 2: Convert to fraction form
    270.22/404.46 = 167.02/x
  3. Step 3: Cross multiply
    270.22x = 404.46 × 167.02
  4. Step 4: Simplify right side
    270.22x = 67,552.07
  5. Step 5: Solve for x
    x = 67,552.07/270.22
  6. Step 6: Final answer
    x = 249.99

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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.