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Finding the Fourth Proportional to 367.20, 507.24 and 336.24

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Solution

The fourth proportional to 367.20, 507.24 and 336.24 is: 464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.20 : 507.24 = 336.24 : x
  2. Step 2: Convert to fraction form
    367.20/507.24 = 336.24/x
  3. Step 3: Cross multiply
    367.20x = 507.24 × 336.24
  4. Step 4: Simplify right side
    367.20x = 170,554.38
  5. Step 5: Solve for x
    x = 170,554.38/367.20
  6. Step 6: Final answer
    x = 464.47

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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.