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Finding the Fourth Proportional to 2,595,568, 3,893,352 and 822,640

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Solution

The fourth proportional to 2,595,568, 3,893,352 and 822,640 is: 1,233,960

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,595,568 : 3,893,352 = 822,640 : x
  2. Step 2: Convert to fraction form
    2,595,568/3,893,352 = 822,640/x
  3. Step 3: Cross multiply
    2,595,568x = 3,893,352 × 822,640
  4. Step 4: Simplify right side
    2,595,568x = 3,202,827,089,280
  5. Step 5: Solve for x
    x = 3,202,827,089,280/2,595,568
  6. Step 6: Final answer
    x = 1,233,960

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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.