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Finding the Fourth Proportional to 348.84, 481.41 and 201.48

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Solution

The fourth proportional to 348.84, 481.41 and 201.48 is: 278.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.84 : 481.41 = 201.48 : x
  2. Step 2: Convert to fraction form
    348.84/481.41 = 201.48/x
  3. Step 3: Cross multiply
    348.84x = 481.41 × 201.48
  4. Step 4: Simplify right side
    348.84x = 96,994.49
  5. Step 5: Solve for x
    x = 96,994.49/348.84
  6. Step 6: Final answer
    x = 278.05

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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.