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Finding the Fourth Proportional to 336.90, 464.76 and 226.42

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Solution

The fourth proportional to 336.90, 464.76 and 226.42 is: 312.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.90 : 464.76 = 226.42 : x
  2. Step 2: Convert to fraction form
    336.90/464.76 = 226.42/x
  3. Step 3: Cross multiply
    336.90x = 464.76 × 226.42
  4. Step 4: Simplify right side
    336.90x = 105,230.96
  5. Step 5: Solve for x
    x = 105,230.96/336.90
  6. Step 6: Final answer
    x = 312.35

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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.