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Finding the Fourth Proportional to 484,101.52, 668,083.74 and 269,236.97

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Solution

The fourth proportional to 484,101.52, 668,083.74 and 269,236.97 is: 371,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,101.52 : 668,083.74 = 269,236.97 : x
  2. Step 2: Convert to fraction form
    484,101.52/668,083.74 = 269,236.97/x
  3. Step 3: Cross multiply
    484,101.52x = 668,083.74 × 269,236.97
  4. Step 4: Simplify right side
    484,101.52x = 179,872,841,863.87
  5. Step 5: Solve for x
    x = 179,872,841,863.87/484,101.52
  6. Step 6: Final answer
    x = 371,560.17

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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.