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Finding the Fourth Proportional to 1,444,175.28, 1,992,978 and 799,655.04

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Solution

The fourth proportional to 1,444,175.28, 1,992,978 and 799,655.04 is: 1,103,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,175.28 : 1,992,978 = 799,655.04 : x
  2. Step 2: Convert to fraction form
    1,444,175.28/1,992,978 = 799,655.04/x
  3. Step 3: Cross multiply
    1,444,175.28x = 1,992,978 × 799,655.04
  4. Step 4: Simplify right side
    1,444,175.28x = 1,593,694,902,309.12
  5. Step 5: Solve for x
    x = 1,593,694,902,309.12/1,444,175.28
  6. Step 6: Final answer
    x = 1,103,532.88

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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.