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Finding the Fourth Proportional to 1,444,382.75, 1,993,223.76 and 799,789.10

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Solution

The fourth proportional to 1,444,382.75, 1,993,223.76 and 799,789.10 is: 1,103,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,382.75 : 1,993,223.76 = 799,789.10 : x
  2. Step 2: Convert to fraction form
    1,444,382.75/1,993,223.76 = 799,789.10/x
  3. Step 3: Cross multiply
    1,444,382.75x = 1,993,223.76 × 799,789.10
  4. Step 4: Simplify right side
    1,444,382.75x = 1,594,158,637,109.02
  5. Step 5: Solve for x
    x = 1,594,158,637,109.02/1,444,382.75
  6. Step 6: Final answer
    x = 1,103,695.43

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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.