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Finding the Fourth Proportional to 533.52, 799.74 and 225.18

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Solution

The fourth proportional to 533.52, 799.74 and 225.18 is: 337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.52 : 799.74 = 225.18 : x
  2. Step 2: Convert to fraction form
    533.52/799.74 = 225.18/x
  3. Step 3: Cross multiply
    533.52x = 799.74 × 225.18
  4. Step 4: Simplify right side
    533.52x = 180,085.45
  5. Step 5: Solve for x
    x = 180,085.45/533.52
  6. Step 6: Final answer
    x = 337.54

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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.