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Finding the Fourth Proportional to 349.34, 523.32 and 233.45

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Solution

The fourth proportional to 349.34, 523.32 and 233.45 is: 349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.34 : 523.32 = 233.45 : x
  2. Step 2: Convert to fraction form
    349.34/523.32 = 233.45/x
  3. Step 3: Cross multiply
    349.34x = 523.32 × 233.45
  4. Step 4: Simplify right side
    349.34x = 122,166.44
  5. Step 5: Solve for x
    x = 122,166.44/349.34
  6. Step 6: Final answer
    x = 349.71

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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.