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Finding the Fourth Proportional to 533.36, 736.32 and 367.28

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Solution

The fourth proportional to 533.36, 736.32 and 367.28 is: 507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.36 : 736.32 = 367.28 : x
  2. Step 2: Convert to fraction form
    533.36/736.32 = 367.28/x
  3. Step 3: Cross multiply
    533.36x = 736.32 × 367.28
  4. Step 4: Simplify right side
    533.36x = 270,435.61
  5. Step 5: Solve for x
    x = 270,435.61/533.36
  6. Step 6: Final answer
    x = 507.04

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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.