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Finding the Fourth Proportional to 361.08, 498 and 295.44

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Solution

The fourth proportional to 361.08, 498 and 295.44 is: 407.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.08 : 498 = 295.44 : x
  2. Step 2: Convert to fraction form
    361.08/498 = 295.44/x
  3. Step 3: Cross multiply
    361.08x = 498 × 295.44
  4. Step 4: Simplify right side
    361.08x = 147,129.12
  5. Step 5: Solve for x
    x = 147,129.12/361.08
  6. Step 6: Final answer
    x = 407.47

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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.