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Finding the Fourth Proportional to 349.86, 523.71 and 227.86

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Solution

The fourth proportional to 349.86, 523.71 and 227.86 is: 341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.86 : 523.71 = 227.86 : x
  2. Step 2: Convert to fraction form
    349.86/523.71 = 227.86/x
  3. Step 3: Cross multiply
    349.86x = 523.71 × 227.86
  4. Step 4: Simplify right side
    349.86x = 119,332.56
  5. Step 5: Solve for x
    x = 119,332.56/349.86
  6. Step 6: Final answer
    x = 341.09

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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.