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Finding the Fourth Proportional to 361.73, 499 and 214.11

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Solution

The fourth proportional to 361.73, 499 and 214.11 is: 295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.73 : 499 = 214.11 : x
  2. Step 2: Convert to fraction form
    361.73/499 = 214.11/x
  3. Step 3: Cross multiply
    361.73x = 499 × 214.11
  4. Step 4: Simplify right side
    361.73x = 106,840.89
  5. Step 5: Solve for x
    x = 106,840.89/361.73
  6. Step 6: Final answer
    x = 295.36

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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.