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Finding the Fourth Proportional to 361.79, 499.16 and 204.41

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Solution

The fourth proportional to 361.79, 499.16 and 204.41 is: 282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.79 : 499.16 = 204.41 : x
  2. Step 2: Convert to fraction form
    361.79/499.16 = 204.41/x
  3. Step 3: Cross multiply
    361.79x = 499.16 × 204.41
  4. Step 4: Simplify right side
    361.79x = 102,031.10
  5. Step 5: Solve for x
    x = 102,031.10/361.79
  6. Step 6: Final answer
    x = 282.01

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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.