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Finding the Fourth Proportional to 326.25, 450.36 and 233.01

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Solution

The fourth proportional to 326.25, 450.36 and 233.01 is: 321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.25 : 450.36 = 233.01 : x
  2. Step 2: Convert to fraction form
    326.25/450.36 = 233.01/x
  3. Step 3: Cross multiply
    326.25x = 450.36 × 233.01
  4. Step 4: Simplify right side
    326.25x = 104,938.38
  5. Step 5: Solve for x
    x = 104,938.38/326.25
  6. Step 6: Final answer
    x = 321.65

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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.