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Finding the Fourth Proportional to 352.67, 529.07 and 157.59

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Solution

The fourth proportional to 352.67, 529.07 and 157.59 is: 236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.67 : 529.07 = 157.59 : x
  2. Step 2: Convert to fraction form
    352.67/529.07 = 157.59/x
  3. Step 3: Cross multiply
    352.67x = 529.07 × 157.59
  4. Step 4: Simplify right side
    352.67x = 83,375.35
  5. Step 5: Solve for x
    x = 83,375.35/352.67
  6. Step 6: Final answer
    x = 236.42

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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.