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Finding the Fourth Proportional to 433.27, 597.90 and 236.79

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Solution

The fourth proportional to 433.27, 597.90 and 236.79 is: 326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    433.27 : 597.90 = 236.79 : x
  2. Step 2: Convert to fraction form
    433.27/597.90 = 236.79/x
  3. Step 3: Cross multiply
    433.27x = 597.90 × 236.79
  4. Step 4: Simplify right side
    433.27x = 141,576.74
  5. Step 5: Solve for x
    x = 141,576.74/433.27
  6. Step 6: Final answer
    x = 326.76

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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.