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Finding the Fourth Proportional to 533.19, 799.63 and 167.95

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Solution

The fourth proportional to 533.19, 799.63 and 167.95 is: 251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.19 : 799.63 = 167.95 : x
  2. Step 2: Convert to fraction form
    533.19/799.63 = 167.95/x
  3. Step 3: Cross multiply
    533.19x = 799.63 × 167.95
  4. Step 4: Simplify right side
    533.19x = 134,297.86
  5. Step 5: Solve for x
    x = 134,297.86/533.19
  6. Step 6: Final answer
    x = 251.88

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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.