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Finding the Fourth Proportional to 1,694,216.66, 2,338,019 and 930,270.22

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Solution

The fourth proportional to 1,694,216.66, 2,338,019 and 930,270.22 is: 1,283,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,216.66 : 2,338,019 = 930,270.22 : x
  2. Step 2: Convert to fraction form
    1,694,216.66/2,338,019 = 930,270.22/x
  3. Step 3: Cross multiply
    1,694,216.66x = 2,338,019 × 930,270.22
  4. Step 4: Simplify right side
    1,694,216.66x = 2,174,989,449,494.18
  5. Step 5: Solve for x
    x = 2,174,989,449,494.18/1,694,216.66
  6. Step 6: Final answer
    x = 1,283,772.91

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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.