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Finding the Fourth Proportional to 533.56, 796.58 and 451.54

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Solution

The fourth proportional to 533.56, 796.58 and 451.54 is: 674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.56 : 796.58 = 451.54 : x
  2. Step 2: Convert to fraction form
    533.56/796.58 = 451.54/x
  3. Step 3: Cross multiply
    533.56x = 796.58 × 451.54
  4. Step 4: Simplify right side
    533.56x = 359,687.73
  5. Step 5: Solve for x
    x = 359,687.73/533.56
  6. Step 6: Final answer
    x = 674.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.