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Finding the Fourth Proportional to 371.12, 555.84 and 226.52

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Solution

The fourth proportional to 371.12, 555.84 and 226.52 is: 339.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.12 : 555.84 = 226.52 : x
  2. Step 2: Convert to fraction form
    371.12/555.84 = 226.52/x
  3. Step 3: Cross multiply
    371.12x = 555.84 × 226.52
  4. Step 4: Simplify right side
    371.12x = 125,908.88
  5. Step 5: Solve for x
    x = 125,908.88/371.12
  6. Step 6: Final answer
    x = 339.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.