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Finding the Fourth Proportional to 533.79, 800.55 and 225.52

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Solution

The fourth proportional to 533.79, 800.55 and 225.52 is: 338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.79 : 800.55 = 225.52 : x
  2. Step 2: Convert to fraction form
    533.79/800.55 = 225.52/x
  3. Step 3: Cross multiply
    533.79x = 800.55 × 225.52
  4. Step 4: Simplify right side
    533.79x = 180,538.03
  5. Step 5: Solve for x
    x = 180,538.03/533.79
  6. Step 6: Final answer
    x = 338.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.