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Finding the Fourth Proportional to 533.60, 799.32 and 225.34

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Solution

The fourth proportional to 533.60, 799.32 and 225.34 is: 337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.60 : 799.32 = 225.34 : x
  2. Step 2: Convert to fraction form
    533.60/799.32 = 225.34/x
  3. Step 3: Cross multiply
    533.60x = 799.32 × 225.34
  4. Step 4: Simplify right side
    533.60x = 180,118.77
  5. Step 5: Solve for x
    x = 180,118.77/533.60
  6. Step 6: Final answer
    x = 337.55

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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.