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Finding the Fourth Proportional to 601.27, 901.97 and 548.48

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Solution

The fourth proportional to 601.27, 901.97 and 548.48 is: 822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.27 : 901.97 = 548.48 : x
  2. Step 2: Convert to fraction form
    601.27/901.97 = 548.48/x
  3. Step 3: Cross multiply
    601.27x = 901.97 × 548.48
  4. Step 4: Simplify right side
    601.27x = 494,712.51
  5. Step 5: Solve for x
    x = 494,712.51/601.27
  6. Step 6: Final answer
    x = 822.78

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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.