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Finding the Fourth Proportional to 269,281.20, 371,963 and 201,179.84

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Solution

The fourth proportional to 269,281.20, 371,963 and 201,179.84 is: 277,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,281.20 : 371,963 = 201,179.84 : x
  2. Step 2: Convert to fraction form
    269,281.20/371,963 = 201,179.84/x
  3. Step 3: Cross multiply
    269,281.20x = 371,963 × 201,179.84
  4. Step 4: Simplify right side
    269,281.20x = 74,831,456,825.92
  5. Step 5: Solve for x
    x = 74,831,456,825.92/269,281.20
  6. Step 6: Final answer
    x = 277,893.36

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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.