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Finding the Fourth Proportional to 359.10, 495.62 and 226.41

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Solution

The fourth proportional to 359.10, 495.62 and 226.41 is: 312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.10 : 495.62 = 226.41 : x
  2. Step 2: Convert to fraction form
    359.10/495.62 = 226.41/x
  3. Step 3: Cross multiply
    359.10x = 495.62 × 226.41
  4. Step 4: Simplify right side
    359.10x = 112,212.19
  5. Step 5: Solve for x
    x = 112,212.19/359.10
  6. Step 6: Final answer
    x = 312.48

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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.