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Finding the Fourth Proportional to 299.56, 448.40 and 241.24

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Solution

The fourth proportional to 299.56, 448.40 and 241.24 is: 361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299.56 : 448.40 = 241.24 : x
  2. Step 2: Convert to fraction form
    299.56/448.40 = 241.24/x
  3. Step 3: Cross multiply
    299.56x = 448.40 × 241.24
  4. Step 4: Simplify right side
    299.56x = 108,172.02
  5. Step 5: Solve for x
    x = 108,172.02/299.56
  6. Step 6: Final answer
    x = 361.10

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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.