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Finding the Fourth Proportional to 361.28, 498.64 and 244.88

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Solution

The fourth proportional to 361.28, 498.64 and 244.88 is: 337.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.28 : 498.64 = 244.88 : x
  2. Step 2: Convert to fraction form
    361.28/498.64 = 244.88/x
  3. Step 3: Cross multiply
    361.28x = 498.64 × 244.88
  4. Step 4: Simplify right side
    361.28x = 122,106.96
  5. Step 5: Solve for x
    x = 122,106.96/361.28
  6. Step 6: Final answer
    x = 337.98

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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.