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Finding the Fourth Proportional to 352.91, 529.46 and 109.44

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Solution

The fourth proportional to 352.91, 529.46 and 109.44 is: 164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.91 : 529.46 = 109.44 : x
  2. Step 2: Convert to fraction form
    352.91/529.46 = 109.44/x
  3. Step 3: Cross multiply
    352.91x = 529.46 × 109.44
  4. Step 4: Simplify right side
    352.91x = 57,944.10
  5. Step 5: Solve for x
    x = 57,944.10/352.91
  6. Step 6: Final answer
    x = 164.19

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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.