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Finding the Fourth Proportional to 2,243,690, 3,365,535 and 667,754

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Solution

The fourth proportional to 2,243,690, 3,365,535 and 667,754 is: 1,001,631

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243,690 : 3,365,535 = 667,754 : x
  2. Step 2: Convert to fraction form
    2,243,690/3,365,535 = 667,754/x
  3. Step 3: Cross multiply
    2,243,690x = 3,365,535 × 667,754
  4. Step 4: Simplify right side
    2,243,690x = 2,247,349,458,390
  5. Step 5: Solve for x
    x = 2,247,349,458,390/2,243,690
  6. Step 6: Final answer
    x = 1,001,631

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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.