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Finding the Fourth Proportional to 1,964,213.91, 2,943,822.65 and 883,571.04

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Solution

The fourth proportional to 1,964,213.91, 2,943,822.65 and 883,571.04 is: 1,324,232.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,213.91 : 2,943,822.65 = 883,571.04 : x
  2. Step 2: Convert to fraction form
    1,964,213.91/2,943,822.65 = 883,571.04/x
  3. Step 3: Cross multiply
    1,964,213.91x = 2,943,822.65 × 883,571.04
  4. Step 4: Simplify right side
    1,964,213.91x = 2,601,076,436,018.20
  5. Step 5: Solve for x
    x = 2,601,076,436,018.20/1,964,213.91
  6. Step 6: Final answer
    x = 1,324,232.77

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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.