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Finding the Fourth Proportional to 352, 485.85 and 241.42

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Solution

The fourth proportional to 352, 485.85 and 241.42 is: 333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352 : 485.85 = 241.42 : x
  2. Step 2: Convert to fraction form
    352/485.85 = 241.42/x
  3. Step 3: Cross multiply
    352x = 485.85 × 241.42
  4. Step 4: Simplify right side
    352x = 117,293.91
  5. Step 5: Solve for x
    x = 117,293.91/352
  6. Step 6: Final answer
    x = 333.22

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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.