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Finding the Fourth Proportional to 281.46, 422.48 and 241.06

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Solution

The fourth proportional to 281.46, 422.48 and 241.06 is: 361.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    281.46 : 422.48 = 241.06 : x
  2. Step 2: Convert to fraction form
    281.46/422.48 = 241.06/x
  3. Step 3: Cross multiply
    281.46x = 422.48 × 241.06
  4. Step 4: Simplify right side
    281.46x = 101,843.03
  5. Step 5: Solve for x
    x = 101,843.03/281.46
  6. Step 6: Final answer
    x = 361.84

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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.