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Finding the Fourth Proportional to 361.34, 541.38 and 252.92

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Solution

The fourth proportional to 361.34, 541.38 and 252.92 is: 378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.34 : 541.38 = 252.92 : x
  2. Step 2: Convert to fraction form
    361.34/541.38 = 252.92/x
  3. Step 3: Cross multiply
    361.34x = 541.38 × 252.92
  4. Step 4: Simplify right side
    361.34x = 136,925.83
  5. Step 5: Solve for x
    x = 136,925.83/361.34
  6. Step 6: Final answer
    x = 378.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.