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Finding the Fourth Proportional to 352.13, 486.04 and 247.24

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Solution

The fourth proportional to 352.13, 486.04 and 247.24 is: 341.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.13 : 486.04 = 247.24 : x
  2. Step 2: Convert to fraction form
    352.13/486.04 = 247.24/x
  3. Step 3: Cross multiply
    352.13x = 486.04 × 247.24
  4. Step 4: Simplify right side
    352.13x = 120,167.43
  5. Step 5: Solve for x
    x = 120,167.43/352.13
  6. Step 6: Final answer
    x = 341.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.