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Finding the Fourth Proportional to 533.20, 796 and 451.17

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Solution

The fourth proportional to 533.20, 796 and 451.17 is: 673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    533.20 : 796 = 451.17 : x
  2. Step 2: Convert to fraction form
    533.20/796 = 451.17/x
  3. Step 3: Cross multiply
    533.20x = 796 × 451.17
  4. Step 4: Simplify right side
    533.20x = 359,131.32
  5. Step 5: Solve for x
    x = 359,131.32/533.20
  6. Step 6: Final answer
    x = 673.54

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Double scale
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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.