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Finding the Fourth Proportional to 548.27, 824.09 and 366.83

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Solution

The fourth proportional to 548.27, 824.09 and 366.83 is: 551.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.27 : 824.09 = 366.83 : x
  2. Step 2: Convert to fraction form
    548.27/824.09 = 366.83/x
  3. Step 3: Cross multiply
    548.27x = 824.09 × 366.83
  4. Step 4: Simplify right side
    548.27x = 302,294.98
  5. Step 5: Solve for x
    x = 302,294.98/548.27
  6. Step 6: Final answer
    x = 551.37

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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.