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Finding the Fourth Proportional to 325.01, 448.43 and 226.82

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Solution

The fourth proportional to 325.01, 448.43 and 226.82 is: 312.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325.01 : 448.43 = 226.82 : x
  2. Step 2: Convert to fraction form
    325.01/448.43 = 226.82/x
  3. Step 3: Cross multiply
    325.01x = 448.43 × 226.82
  4. Step 4: Simplify right side
    325.01x = 101,709.52
  5. Step 5: Solve for x
    x = 101,709.52/325.01
  6. Step 6: Final answer
    x = 312.95

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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.