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Finding the Fourth Proportional to 352.22, 527.47 and 265.46

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Solution

The fourth proportional to 352.22, 527.47 and 265.46 is: 397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.22 : 527.47 = 265.46 : x
  2. Step 2: Convert to fraction form
    352.22/527.47 = 265.46/x
  3. Step 3: Cross multiply
    352.22x = 527.47 × 265.46
  4. Step 4: Simplify right side
    352.22x = 140,022.19
  5. Step 5: Solve for x
    x = 140,022.19/352.22
  6. Step 6: Final answer
    x = 397.54

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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.