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Finding the Fourth Proportional to 263.79, 395.16 and 241.23

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Solution

The fourth proportional to 263.79, 395.16 and 241.23 is: 361.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.79 : 395.16 = 241.23 : x
  2. Step 2: Convert to fraction form
    263.79/395.16 = 241.23/x
  3. Step 3: Cross multiply
    263.79x = 395.16 × 241.23
  4. Step 4: Simplify right side
    263.79x = 95,324.45
  5. Step 5: Solve for x
    x = 95,324.45/263.79
  6. Step 6: Final answer
    x = 361.36

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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.