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Finding the Fourth Proportional to 367.02, 504.18 and 331.92

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Solution

The fourth proportional to 367.02, 504.18 and 331.92 is: 455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.02 : 504.18 = 331.92 : x
  2. Step 2: Convert to fraction form
    367.02/504.18 = 331.92/x
  3. Step 3: Cross multiply
    367.02x = 504.18 × 331.92
  4. Step 4: Simplify right side
    367.02x = 167,347.43
  5. Step 5: Solve for x
    x = 167,347.43/367.02
  6. Step 6: Final answer
    x = 455.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.