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Finding the Fourth Proportional to 548.24, 822.93 and 366.90

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Solution

The fourth proportional to 548.24, 822.93 and 366.90 is: 550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.24 : 822.93 = 366.90 : x
  2. Step 2: Convert to fraction form
    548.24/822.93 = 366.90/x
  3. Step 3: Cross multiply
    548.24x = 822.93 × 366.90
  4. Step 4: Simplify right side
    548.24x = 301,938.59
  5. Step 5: Solve for x
    x = 301,938.59/548.24
  6. Step 6: Final answer
    x = 550.74

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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.