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Finding the Fourth Proportional to 361.17, 498.42 and 244.89

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Solution

The fourth proportional to 361.17, 498.42 and 244.89 is: 337.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.17 : 498.42 = 244.89 : x
  2. Step 2: Convert to fraction form
    361.17/498.42 = 244.89/x
  3. Step 3: Cross multiply
    361.17x = 498.42 × 244.89
  4. Step 4: Simplify right side
    361.17x = 122,058.07
  5. Step 5: Solve for x
    x = 122,058.07/361.17
  6. Step 6: Final answer
    x = 337.95

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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.