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Finding the Fourth Proportional to 352.92, 528.84 and 267.48

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Solution

The fourth proportional to 352.92, 528.84 and 267.48 is: 400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.92 : 528.84 = 267.48 : x
  2. Step 2: Convert to fraction form
    352.92/528.84 = 267.48/x
  3. Step 3: Cross multiply
    352.92x = 528.84 × 267.48
  4. Step 4: Simplify right side
    352.92x = 141,454.12
  5. Step 5: Solve for x
    x = 141,454.12/352.92
  6. Step 6: Final answer
    x = 400.81

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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.