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Finding the Fourth Proportional to 1,400,168, 1,932,241.56 and 796,556

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Solution

The fourth proportional to 1,400,168, 1,932,241.56 and 796,556 is: 1,099,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,168 : 1,932,241.56 = 796,556 : x
  2. Step 2: Convert to fraction form
    1,400,168/1,932,241.56 = 796,556/x
  3. Step 3: Cross multiply
    1,400,168x = 1,932,241.56 × 796,556
  4. Step 4: Simplify right side
    1,400,168x = 1,539,138,608,067.36
  5. Step 5: Solve for x
    x = 1,539,138,608,067.36/1,400,168
  6. Step 6: Final answer
    x = 1,099,252.81

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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.