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Finding the Fourth Proportional to 351.70, 484.80 and 241

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Solution

The fourth proportional to 351.70, 484.80 and 241 is: 332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.70 : 484.80 = 241 : x
  2. Step 2: Convert to fraction form
    351.70/484.80 = 241/x
  3. Step 3: Cross multiply
    351.70x = 484.80 × 241
  4. Step 4: Simplify right side
    351.70x = 116,836.80
  5. Step 5: Solve for x
    x = 116,836.80/351.70
  6. Step 6: Final answer
    x = 332.21

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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.