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Finding the Fourth Proportional to 335.80, 463.40 and 195.92

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Solution

The fourth proportional to 335.80, 463.40 and 195.92 is: 270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.80 : 463.40 = 195.92 : x
  2. Step 2: Convert to fraction form
    335.80/463.40 = 195.92/x
  3. Step 3: Cross multiply
    335.80x = 463.40 × 195.92
  4. Step 4: Simplify right side
    335.80x = 90,792.21
  5. Step 5: Solve for x
    x = 90,792.21/335.80
  6. Step 6: Final answer
    x = 270.37

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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.