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Finding the Fourth Proportional to 293.76, 404.97 and 195.33

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Solution

The fourth proportional to 293.76, 404.97 and 195.33 is: 269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293.76 : 404.97 = 195.33 : x
  2. Step 2: Convert to fraction form
    293.76/404.97 = 195.33/x
  3. Step 3: Cross multiply
    293.76x = 404.97 × 195.33
  4. Step 4: Simplify right side
    293.76x = 79,102.79
  5. Step 5: Solve for x
    x = 79,102.79/293.76
  6. Step 6: Final answer
    x = 269.28

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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.