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Finding the Fourth Proportional to 2,243,706, 3,365,559 and 667,770

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Solution

The fourth proportional to 2,243,706, 3,365,559 and 667,770 is: 1,001,655

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243,706 : 3,365,559 = 667,770 : x
  2. Step 2: Convert to fraction form
    2,243,706/3,365,559 = 667,770/x
  3. Step 3: Cross multiply
    2,243,706x = 3,365,559 × 667,770
  4. Step 4: Simplify right side
    2,243,706x = 2,247,419,333,430
  5. Step 5: Solve for x
    x = 2,247,419,333,430/2,243,706
  6. Step 6: Final answer
    x = 1,001,655

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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.