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Finding the Fourth Proportional to 548.23, 822.24 and 352.92

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Solution

The fourth proportional to 548.23, 822.24 and 352.92 is: 529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    548.23 : 822.24 = 352.92 : x
  2. Step 2: Convert to fraction form
    548.23/822.24 = 352.92/x
  3. Step 3: Cross multiply
    548.23x = 822.24 × 352.92
  4. Step 4: Simplify right side
    548.23x = 290,184.94
  5. Step 5: Solve for x
    x = 290,184.94/548.23
  6. Step 6: Final answer
    x = 529.31

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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.