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Finding the Fourth Proportional to 2,783,702, 4,175,553 and 682,454

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Solution

The fourth proportional to 2,783,702, 4,175,553 and 682,454 is: 1,023,681

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,702 : 4,175,553 = 682,454 : x
  2. Step 2: Convert to fraction form
    2,783,702/4,175,553 = 682,454/x
  3. Step 3: Cross multiply
    2,783,702x = 4,175,553 × 682,454
  4. Step 4: Simplify right side
    2,783,702x = 2,849,622,847,062
  5. Step 5: Solve for x
    x = 2,849,622,847,062/2,783,702
  6. Step 6: Final answer
    x = 1,023,681

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.