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Finding the Fourth Proportional to 361.23, 498.60 and 295.89

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Solution

The fourth proportional to 361.23, 498.60 and 295.89 is: 408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.23 : 498.60 = 295.89 : x
  2. Step 2: Convert to fraction form
    361.23/498.60 = 295.89/x
  3. Step 3: Cross multiply
    361.23x = 498.60 × 295.89
  4. Step 4: Simplify right side
    361.23x = 147,530.75
  5. Step 5: Solve for x
    x = 147,530.75/361.23
  6. Step 6: Final answer
    x = 408.41

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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.