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Finding the Fourth Proportional to 361.26, 498.96 and 358.83

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Solution

The fourth proportional to 361.26, 498.96 and 358.83 is: 495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    361.26 : 498.96 = 358.83 : x
  2. Step 2: Convert to fraction form
    361.26/498.96 = 358.83/x
  3. Step 3: Cross multiply
    361.26x = 498.96 × 358.83
  4. Step 4: Simplify right side
    361.26x = 179,041.82
  5. Step 5: Solve for x
    x = 179,041.82/361.26
  6. Step 6: Final answer
    x = 495.60

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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.