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Finding the Fourth Proportional to 367.76, 507.42 and 236.94

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Solution

The fourth proportional to 367.76, 507.42 and 236.94 is: 326.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.76 : 507.42 = 236.94 : x
  2. Step 2: Convert to fraction form
    367.76/507.42 = 236.94/x
  3. Step 3: Cross multiply
    367.76x = 507.42 × 236.94
  4. Step 4: Simplify right side
    367.76x = 120,228.09
  5. Step 5: Solve for x
    x = 120,228.09/367.76
  6. Step 6: Final answer
    x = 326.92

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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.