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Finding the Fourth Proportional to 336.18, 464.04 and 225.96

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Solution

The fourth proportional to 336.18, 464.04 and 225.96 is: 311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.18 : 464.04 = 225.96 : x
  2. Step 2: Convert to fraction form
    336.18/464.04 = 225.96/x
  3. Step 3: Cross multiply
    336.18x = 464.04 × 225.96
  4. Step 4: Simplify right side
    336.18x = 104,854.48
  5. Step 5: Solve for x
    x = 104,854.48/336.18
  6. Step 6: Final answer
    x = 311.90

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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.