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Finding the Fourth Proportional to 806,796.36, 1,113,369.80 and 444,212.80

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Solution

The fourth proportional to 806,796.36, 1,113,369.80 and 444,212.80 is: 613,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,796.36 : 1,113,369.80 = 444,212.80 : x
  2. Step 2: Convert to fraction form
    806,796.36/1,113,369.80 = 444,212.80/x
  3. Step 3: Cross multiply
    806,796.36x = 1,113,369.80 × 444,212.80
  4. Step 4: Simplify right side
    806,796.36x = 494,573,116,293.44
  5. Step 5: Solve for x
    x = 494,573,116,293.44/806,796.36
  6. Step 6: Final answer
    x = 613,008.61

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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.