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Finding the Fourth Proportional to 2,243,692, 3,365,538 and 667,756

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Solution

The fourth proportional to 2,243,692, 3,365,538 and 667,756 is: 1,001,634

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243,692 : 3,365,538 = 667,756 : x
  2. Step 2: Convert to fraction form
    2,243,692/3,365,538 = 667,756/x
  3. Step 3: Cross multiply
    2,243,692x = 3,365,538 × 667,756
  4. Step 4: Simplify right side
    2,243,692x = 2,247,358,192,728
  5. Step 5: Solve for x
    x = 2,247,358,192,728/2,243,692
  6. Step 6: Final answer
    x = 1,001,634

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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.