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Finding the Fourth Proportional to 349.17, 481.85 and 201.83

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Solution

The fourth proportional to 349.17, 481.85 and 201.83 is: 278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.17 : 481.85 = 201.83 : x
  2. Step 2: Convert to fraction form
    349.17/481.85 = 201.83/x
  3. Step 3: Cross multiply
    349.17x = 481.85 × 201.83
  4. Step 4: Simplify right side
    349.17x = 97,248.37
  5. Step 5: Solve for x
    x = 97,248.37/349.17
  6. Step 6: Final answer
    x = 278.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.