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Finding the Fourth Proportional to 344.36, 474.98 and 226.10

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Solution

The fourth proportional to 344.36, 474.98 and 226.10 is: 311.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.36 : 474.98 = 226.10 : x
  2. Step 2: Convert to fraction form
    344.36/474.98 = 226.10/x
  3. Step 3: Cross multiply
    344.36x = 474.98 × 226.10
  4. Step 4: Simplify right side
    344.36x = 107,392.98
  5. Step 5: Solve for x
    x = 107,392.98/344.36
  6. Step 6: Final answer
    x = 311.86

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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.