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Finding the Fourth Proportional to 533.73, 799.52 and 424.22

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Solution

The fourth proportional to 533.73, 799.52 and 424.22 is: 635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.73 : 799.52 = 424.22 : x
  2. Step 2: Convert to fraction form
    533.73/799.52 = 424.22/x
  3. Step 3: Cross multiply
    533.73x = 799.52 × 424.22
  4. Step 4: Simplify right side
    533.73x = 339,172.37
  5. Step 5: Solve for x
    x = 339,172.37/533.73
  6. Step 6: Final answer
    x = 635.48

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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.