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Finding the Fourth Proportional to 1,796,664.70, 2,694,997.05 and 731,158.30

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Solution

The fourth proportional to 1,796,664.70, 2,694,997.05 and 731,158.30 is: 1,096,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796,664.70 : 2,694,997.05 = 731,158.30 : x
  2. Step 2: Convert to fraction form
    1,796,664.70/2,694,997.05 = 731,158.30/x
  3. Step 3: Cross multiply
    1,796,664.70x = 2,694,997.05 × 731,158.30
  4. Step 4: Simplify right side
    1,796,664.70x = 1,970,469,461,583.02
  5. Step 5: Solve for x
    x = 1,970,469,461,583.02/1,796,664.70
  6. Step 6: Final answer
    x = 1,096,737.45

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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.