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Finding the Fourth Proportional to 547,043.73, 820,932.03 and 192,058.80

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Solution

The fourth proportional to 547,043.73, 820,932.03 and 192,058.80 is: 288,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,043.73 : 820,932.03 = 192,058.80 : x
  2. Step 2: Convert to fraction form
    547,043.73/820,932.03 = 192,058.80/x
  3. Step 3: Cross multiply
    547,043.73x = 820,932.03 × 192,058.80
  4. Step 4: Simplify right side
    547,043.73x = 157,667,220,563.36
  5. Step 5: Solve for x
    x = 157,667,220,563.36/547,043.73
  6. Step 6: Final answer
    x = 288,216.85

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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.