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Finding the Fourth Proportional to 349.91, 523.75 and 232.51

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Solution

The fourth proportional to 349.91, 523.75 and 232.51 is: 348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.91 : 523.75 = 232.51 : x
  2. Step 2: Convert to fraction form
    349.91/523.75 = 232.51/x
  3. Step 3: Cross multiply
    349.91x = 523.75 × 232.51
  4. Step 4: Simplify right side
    349.91x = 121,775.66
  5. Step 5: Solve for x
    x = 121,775.66/349.91
  6. Step 6: Final answer
    x = 348.02

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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.