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Finding the Fourth Proportional to 533.08, 799.65 and 167.89

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Solution

The fourth proportional to 533.08, 799.65 and 167.89 is: 251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.08 : 799.65 = 167.89 : x
  2. Step 2: Convert to fraction form
    533.08/799.65 = 167.89/x
  3. Step 3: Cross multiply
    533.08x = 799.65 × 167.89
  4. Step 4: Simplify right side
    533.08x = 134,252.40
  5. Step 5: Solve for x
    x = 134,252.40/533.08
  6. Step 6: Final answer
    x = 251.85

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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.