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Finding the Fourth Proportional to 352.84, 529.18 and 249.83

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Solution

The fourth proportional to 352.84, 529.18 and 249.83 is: 374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.84 : 529.18 = 249.83 : x
  2. Step 2: Convert to fraction form
    352.84/529.18 = 249.83/x
  3. Step 3: Cross multiply
    352.84x = 529.18 × 249.83
  4. Step 4: Simplify right side
    352.84x = 132,201.14
  5. Step 5: Solve for x
    x = 132,201.14/352.84
  6. Step 6: Final answer
    x = 374.68

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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.