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Finding the Fourth Proportional to 533.72, 736.22 and 367.92

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Solution

The fourth proportional to 533.72, 736.22 and 367.92 is: 507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.72 : 736.22 = 367.92 : x
  2. Step 2: Convert to fraction form
    533.72/736.22 = 367.92/x
  3. Step 3: Cross multiply
    533.72x = 736.22 × 367.92
  4. Step 4: Simplify right side
    533.72x = 270,870.06
  5. Step 5: Solve for x
    x = 270,870.06/533.72
  6. Step 6: Final answer
    x = 507.51

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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.