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Finding the Fourth Proportional to 1,754,899.22, 2,631,825.78 and 744,004.95

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Solution

The fourth proportional to 1,754,899.22, 2,631,825.78 and 744,004.95 is: 1,115,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,899.22 : 2,631,825.78 = 744,004.95 : x
  2. Step 2: Convert to fraction form
    1,754,899.22/2,631,825.78 = 744,004.95/x
  3. Step 3: Cross multiply
    1,754,899.22x = 2,631,825.78 × 744,004.95
  4. Step 4: Simplify right side
    1,754,899.22x = 1,958,091,395,198.25
  5. Step 5: Solve for x
    x = 1,958,091,395,198.25/1,754,899.22
  6. Step 6: Final answer
    x = 1,115,785.66

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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.