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Finding the Fourth Proportional to 548.29, 822.23 and 182.98

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Solution

The fourth proportional to 548.29, 822.23 and 182.98 is: 274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.29 : 822.23 = 182.98 : x
  2. Step 2: Convert to fraction form
    548.29/822.23 = 182.98/x
  3. Step 3: Cross multiply
    548.29x = 822.23 × 182.98
  4. Step 4: Simplify right side
    548.29x = 150,451.65
  5. Step 5: Solve for x
    x = 150,451.65/548.29
  6. Step 6: Final answer
    x = 274.40

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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.