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Finding the Fourth Proportional to 352.16, 486.16 and 241.84

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Solution

The fourth proportional to 352.16, 486.16 and 241.84 is: 333.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.16 : 486.16 = 241.84 : x
  2. Step 2: Convert to fraction form
    352.16/486.16 = 241.84/x
  3. Step 3: Cross multiply
    352.16x = 486.16 × 241.84
  4. Step 4: Simplify right side
    352.16x = 117,572.93
  5. Step 5: Solve for x
    x = 117,572.93/352.16
  6. Step 6: Final answer
    x = 333.86

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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.