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Finding the Fourth Proportional to 2,206,644, 3,309,966 and 710,736

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Solution

The fourth proportional to 2,206,644, 3,309,966 and 710,736 is: 1,066,104

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206,644 : 3,309,966 = 710,736 : x
  2. Step 2: Convert to fraction form
    2,206,644/3,309,966 = 710,736/x
  3. Step 3: Cross multiply
    2,206,644x = 3,309,966 × 710,736
  4. Step 4: Simplify right side
    2,206,644x = 2,352,511,994,976
  5. Step 5: Solve for x
    x = 2,352,511,994,976/2,206,644
  6. Step 6: Final answer
    x = 1,066,104

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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.