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Finding the Fourth Proportional to 336.24, 464.17 and 225.80

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Solution

The fourth proportional to 336.24, 464.17 and 225.80 is: 311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    336.24 : 464.17 = 225.80 : x
  2. Step 2: Convert to fraction form
    336.24/464.17 = 225.80/x
  3. Step 3: Cross multiply
    336.24x = 464.17 × 225.80
  4. Step 4: Simplify right side
    336.24x = 104,807.55
  5. Step 5: Solve for x
    x = 104,807.55/336.24
  6. Step 6: Final answer
    x = 311.70

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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.