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Finding the Fourth Proportional to 313.08, 468.84 and 226.26

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Solution

The fourth proportional to 313.08, 468.84 and 226.26 is: 338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    313.08 : 468.84 = 226.26 : x
  2. Step 2: Convert to fraction form
    313.08/468.84 = 226.26/x
  3. Step 3: Cross multiply
    313.08x = 468.84 × 226.26
  4. Step 4: Simplify right side
    313.08x = 106,079.74
  5. Step 5: Solve for x
    x = 106,079.74/313.08
  6. Step 6: Final answer
    x = 338.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.