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Finding the Fourth Proportional to 350.66, 483.90 and 226.46

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Solution

The fourth proportional to 350.66, 483.90 and 226.46 is: 312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.66 : 483.90 = 226.46 : x
  2. Step 2: Convert to fraction form
    350.66/483.90 = 226.46/x
  3. Step 3: Cross multiply
    350.66x = 483.90 × 226.46
  4. Step 4: Simplify right side
    350.66x = 109,583.99
  5. Step 5: Solve for x
    x = 109,583.99/350.66
  6. Step 6: Final answer
    x = 312.51

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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.