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Finding the Fourth Proportional to 344.35, 474.99 and 226.36

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Solution

The fourth proportional to 344.35, 474.99 and 226.36 is: 312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.35 : 474.99 = 226.36 : x
  2. Step 2: Convert to fraction form
    344.35/474.99 = 226.36/x
  3. Step 3: Cross multiply
    344.35x = 474.99 × 226.36
  4. Step 4: Simplify right side
    344.35x = 107,518.74
  5. Step 5: Solve for x
    x = 107,518.74/344.35
  6. Step 6: Final answer
    x = 312.24

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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.