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Finding the Fourth Proportional to 2,243,712, 3,365,568 and 667,776

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Solution

The fourth proportional to 2,243,712, 3,365,568 and 667,776 is: 1,001,664

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243,712 : 3,365,568 = 667,776 : x
  2. Step 2: Convert to fraction form
    2,243,712/3,365,568 = 667,776/x
  3. Step 3: Cross multiply
    2,243,712x = 3,365,568 × 667,776
  4. Step 4: Simplify right side
    2,243,712x = 2,247,445,536,768
  5. Step 5: Solve for x
    x = 2,247,445,536,768/2,243,712
  6. Step 6: Final answer
    x = 1,001,664

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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.