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Finding the Fourth Proportional to 533.92, 799.92 and 523.36

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Solution

The fourth proportional to 533.92, 799.92 and 523.36 is: 784.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.92 : 799.92 = 523.36 : x
  2. Step 2: Convert to fraction form
    533.92/799.92 = 523.36/x
  3. Step 3: Cross multiply
    533.92x = 799.92 × 523.36
  4. Step 4: Simplify right side
    533.92x = 418,646.13
  5. Step 5: Solve for x
    x = 418,646.13/533.92
  6. Step 6: Final answer
    x = 784.10

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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.