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Finding the Fourth Proportional to 533.88, 799.20 and 516.06

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Solution

The fourth proportional to 533.88, 799.20 and 516.06 is: 772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.88 : 799.20 = 516.06 : x
  2. Step 2: Convert to fraction form
    533.88/799.20 = 516.06/x
  3. Step 3: Cross multiply
    533.88x = 799.20 × 516.06
  4. Step 4: Simplify right side
    533.88x = 412,435.15
  5. Step 5: Solve for x
    x = 412,435.15/533.88
  6. Step 6: Final answer
    x = 772.52

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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.