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Finding the Fourth Proportional to 533.36, 798.01 and 379.64

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Solution

The fourth proportional to 533.36, 798.01 and 379.64 is: 568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.36 : 798.01 = 379.64 : x
  2. Step 2: Convert to fraction form
    533.36/798.01 = 379.64/x
  3. Step 3: Cross multiply
    533.36x = 798.01 × 379.64
  4. Step 4: Simplify right side
    533.36x = 302,956.52
  5. Step 5: Solve for x
    x = 302,956.52/533.36
  6. Step 6: Final answer
    x = 568.02

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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.