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Finding the Fourth Proportional to 2,243,704, 3,365,556 and 667,768

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Solution

The fourth proportional to 2,243,704, 3,365,556 and 667,768 is: 1,001,652

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243,704 : 3,365,556 = 667,768 : x
  2. Step 2: Convert to fraction form
    2,243,704/3,365,556 = 667,768/x
  3. Step 3: Cross multiply
    2,243,704x = 3,365,556 × 667,768
  4. Step 4: Simplify right side
    2,243,704x = 2,247,410,599,008
  5. Step 5: Solve for x
    x = 2,247,410,599,008/2,243,704
  6. Step 6: Final answer
    x = 1,001,652

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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.