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Finding the Fourth Proportional to 352.73, 529.44 and 190.76

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Solution

The fourth proportional to 352.73, 529.44 and 190.76 is: 286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.73 : 529.44 = 190.76 : x
  2. Step 2: Convert to fraction form
    352.73/529.44 = 190.76/x
  3. Step 3: Cross multiply
    352.73x = 529.44 × 190.76
  4. Step 4: Simplify right side
    352.73x = 100,995.97
  5. Step 5: Solve for x
    x = 100,995.97/352.73
  6. Step 6: Final answer
    x = 286.33

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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.