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Finding the Fourth Proportional to 655,982.70, 984,112.13 and 371,809.41

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Solution

The fourth proportional to 655,982.70, 984,112.13 and 371,809.41 is: 557,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,982.70 : 984,112.13 = 371,809.41 : x
  2. Step 2: Convert to fraction form
    655,982.70/984,112.13 = 371,809.41/x
  3. Step 3: Cross multiply
    655,982.70x = 984,112.13 × 371,809.41
  4. Step 4: Simplify right side
    655,982.70x = 365,902,150,429.14
  5. Step 5: Solve for x
    x = 365,902,150,429.14/655,982.70
  6. Step 6: Final answer
    x = 557,792.38

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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.