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Finding the Fourth Proportional to 293.36, 404.86 and 169.04

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Solution

The fourth proportional to 293.36, 404.86 and 169.04 is: 233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.36 : 404.86 = 169.04 : x
  2. Step 2: Convert to fraction form
    293.36/404.86 = 169.04/x
  3. Step 3: Cross multiply
    293.36x = 404.86 × 169.04
  4. Step 4: Simplify right side
    293.36x = 68,435.09
  5. Step 5: Solve for x
    x = 68,435.09/293.36
  6. Step 6: Final answer
    x = 233.28

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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.