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Finding the Fourth Proportional to 352.71, 486.28 and 241.99

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Solution

The fourth proportional to 352.71, 486.28 and 241.99 is: 333.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.71 : 486.28 = 241.99 : x
  2. Step 2: Convert to fraction form
    352.71/486.28 = 241.99/x
  3. Step 3: Cross multiply
    352.71x = 486.28 × 241.99
  4. Step 4: Simplify right side
    352.71x = 117,674.90
  5. Step 5: Solve for x
    x = 117,674.90/352.71
  6. Step 6: Final answer
    x = 333.63

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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.