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Finding the Fourth Proportional to 352.62, 529.00 and 190.49

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Solution

The fourth proportional to 352.62, 529.00 and 190.49 is: 285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.62 : 529.00 = 190.49 : x
  2. Step 2: Convert to fraction form
    352.62/529.00 = 190.49/x
  3. Step 3: Cross multiply
    352.62x = 529.00 × 190.49
  4. Step 4: Simplify right side
    352.62x = 100,766.09
  5. Step 5: Solve for x
    x = 100,766.09/352.62
  6. Step 6: Final answer
    x = 285.76

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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.