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Finding the Fourth Proportional to 533.81, 800.58 and 168.41

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Solution

The fourth proportional to 533.81, 800.58 and 168.41 is: 252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.81 : 800.58 = 168.41 : x
  2. Step 2: Convert to fraction form
    533.81/800.58 = 168.41/x
  3. Step 3: Cross multiply
    533.81x = 800.58 × 168.41
  4. Step 4: Simplify right side
    533.81x = 134,825.68
  5. Step 5: Solve for x
    x = 134,825.68/533.81
  6. Step 6: Final answer
    x = 252.57

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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.