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Finding the Fourth Proportional to 533.52, 798.12 and 338.04

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Solution

The fourth proportional to 533.52, 798.12 and 338.04 is: 505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.52 : 798.12 = 338.04 : x
  2. Step 2: Convert to fraction form
    533.52/798.12 = 338.04/x
  3. Step 3: Cross multiply
    533.52x = 798.12 × 338.04
  4. Step 4: Simplify right side
    533.52x = 269,796.48
  5. Step 5: Solve for x
    x = 269,796.48/533.52
  6. Step 6: Final answer
    x = 505.69

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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.