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Finding the Fourth Proportional to 371.67, 556.79 and 241.52

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Solution

The fourth proportional to 371.67, 556.79 and 241.52 is: 361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.67 : 556.79 = 241.52 : x
  2. Step 2: Convert to fraction form
    371.67/556.79 = 241.52/x
  3. Step 3: Cross multiply
    371.67x = 556.79 × 241.52
  4. Step 4: Simplify right side
    371.67x = 134,471.93
  5. Step 5: Solve for x
    x = 134,471.93/371.67
  6. Step 6: Final answer
    x = 361.80

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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.