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Finding the Fourth Proportional to 352.06, 528.08 and 164.41

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Solution

The fourth proportional to 352.06, 528.08 and 164.41 is: 246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.06 : 528.08 = 164.41 : x
  2. Step 2: Convert to fraction form
    352.06/528.08 = 164.41/x
  3. Step 3: Cross multiply
    352.06x = 528.08 × 164.41
  4. Step 4: Simplify right side
    352.06x = 86,819.49
  5. Step 5: Solve for x
    x = 86,819.49/352.06
  6. Step 6: Final answer
    x = 246.61

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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.