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Finding the Fourth Proportional to 533.44, 799.76 and 370.64

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Solution

The fourth proportional to 533.44, 799.76 and 370.64 is: 555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.44 : 799.76 = 370.64 : x
  2. Step 2: Convert to fraction form
    533.44/799.76 = 370.64/x
  3. Step 3: Cross multiply
    533.44x = 799.76 × 370.64
  4. Step 4: Simplify right side
    533.44x = 296,423.05
  5. Step 5: Solve for x
    x = 296,423.05/533.44
  6. Step 6: Final answer
    x = 555.68

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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.