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Finding the Fourth Proportional to 361.53, 498.33 and 295.41

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Solution

The fourth proportional to 361.53, 498.33 and 295.41 is: 407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.53 : 498.33 = 295.41 : x
  2. Step 2: Convert to fraction form
    361.53/498.33 = 295.41/x
  3. Step 3: Cross multiply
    361.53x = 498.33 × 295.41
  4. Step 4: Simplify right side
    361.53x = 147,213.53
  5. Step 5: Solve for x
    x = 147,213.53/361.53
  6. Step 6: Final answer
    x = 407.20

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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.