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Finding the Fourth Proportional to 352.67, 529.07 and 231.03

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Solution

The fourth proportional to 352.67, 529.07 and 231.03 is: 346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.67 : 529.07 = 231.03 : x
  2. Step 2: Convert to fraction form
    352.67/529.07 = 231.03/x
  3. Step 3: Cross multiply
    352.67x = 529.07 × 231.03
  4. Step 4: Simplify right side
    352.67x = 122,229.89
  5. Step 5: Solve for x
    x = 122,229.89/352.67
  6. Step 6: Final answer
    x = 346.59

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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.