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Finding the Fourth Proportional to 533.62, 736.17 and 323.83

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Solution

The fourth proportional to 533.62, 736.17 and 323.83 is: 446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.62 : 736.17 = 323.83 : x
  2. Step 2: Convert to fraction form
    533.62/736.17 = 323.83/x
  3. Step 3: Cross multiply
    533.62x = 736.17 × 323.83
  4. Step 4: Simplify right side
    533.62x = 238,393.93
  5. Step 5: Solve for x
    x = 238,393.93/533.62
  6. Step 6: Final answer
    x = 446.75

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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.