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Finding the Fourth Proportional to 548.55, 822.83 and 183.36

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Solution

The fourth proportional to 548.55, 822.83 and 183.36 is: 275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.55 : 822.83 = 183.36 : x
  2. Step 2: Convert to fraction form
    548.55/822.83 = 183.36/x
  3. Step 3: Cross multiply
    548.55x = 822.83 × 183.36
  4. Step 4: Simplify right side
    548.55x = 150,877.82
  5. Step 5: Solve for x
    x = 150,877.82/548.55
  6. Step 6: Final answer
    x = 275.05

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Double scale
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Similar ratio
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1.5x scale

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.