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Finding the Fourth Proportional to 295.74, 408.11 and 164.75

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Solution

The fourth proportional to 295.74, 408.11 and 164.75 is: 227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.74 : 408.11 = 164.75 : x
  2. Step 2: Convert to fraction form
    295.74/408.11 = 164.75/x
  3. Step 3: Cross multiply
    295.74x = 408.11 × 164.75
  4. Step 4: Simplify right side
    295.74x = 67,233.26
  5. Step 5: Solve for x
    x = 67,233.26/295.74
  6. Step 6: Final answer
    x = 227.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.