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Finding the Fourth Proportional to 2,243,710, 3,365,565 and 667,774

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Solution

The fourth proportional to 2,243,710, 3,365,565 and 667,774 is: 1,001,661

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243,710 : 3,365,565 = 667,774 : x
  2. Step 2: Convert to fraction form
    2,243,710/3,365,565 = 667,774/x
  3. Step 3: Cross multiply
    2,243,710x = 3,365,565 × 667,774
  4. Step 4: Simplify right side
    2,243,710x = 2,247,436,802,310
  5. Step 5: Solve for x
    x = 2,247,436,802,310/2,243,710
  6. Step 6: Final answer
    x = 1,001,661

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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.