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Finding the Fourth Proportional to 533.93, 800.96 and 168.84

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Solution

The fourth proportional to 533.93, 800.96 and 168.84 is: 253.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.93 : 800.96 = 168.84 : x
  2. Step 2: Convert to fraction form
    533.93/800.96 = 168.84/x
  3. Step 3: Cross multiply
    533.93x = 800.96 × 168.84
  4. Step 4: Simplify right side
    533.93x = 135,233.24
  5. Step 5: Solve for x
    x = 135,233.24/533.93
  6. Step 6: Final answer
    x = 253.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.