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Finding the Fourth Proportional to 484,285.62, 668,305 and 269,425.02

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Solution

The fourth proportional to 484,285.62, 668,305 and 269,425.02 is: 371,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,285.62 : 668,305 = 269,425.02 : x
  2. Step 2: Convert to fraction form
    484,285.62/668,305 = 269,425.02/x
  3. Step 3: Cross multiply
    484,285.62x = 668,305 × 269,425.02
  4. Step 4: Simplify right side
    484,285.62x = 180,058,087,991.10
  5. Step 5: Solve for x
    x = 180,058,087,991.10/484,285.62
  6. Step 6: Final answer
    x = 371,801.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.