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Finding the Fourth Proportional to 352.19, 527.68 and 339.44

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Solution

The fourth proportional to 352.19, 527.68 and 339.44 is: 508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.19 : 527.68 = 339.44 : x
  2. Step 2: Convert to fraction form
    352.19/527.68 = 339.44/x
  3. Step 3: Cross multiply
    352.19x = 527.68 × 339.44
  4. Step 4: Simplify right side
    352.19x = 179,112.21
  5. Step 5: Solve for x
    x = 179,112.21/352.19
  6. Step 6: Final answer
    x = 508.56

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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.