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Finding the Fourth Proportional to 359.88, 496.60 and 226.94

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Solution

The fourth proportional to 359.88, 496.60 and 226.94 is: 313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.88 : 496.60 = 226.94 : x
  2. Step 2: Convert to fraction form
    359.88/496.60 = 226.94/x
  3. Step 3: Cross multiply
    359.88x = 496.60 × 226.94
  4. Step 4: Simplify right side
    359.88x = 112,698.40
  5. Step 5: Solve for x
    x = 112,698.40/359.88
  6. Step 6: Final answer
    x = 313.16

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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.