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Finding the Fourth Proportional to 2,765,844, 4,148,766 and 664,596

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Solution

The fourth proportional to 2,765,844, 4,148,766 and 664,596 is: 996,894

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,844 : 4,148,766 = 664,596 : x
  2. Step 2: Convert to fraction form
    2,765,844/4,148,766 = 664,596/x
  3. Step 3: Cross multiply
    2,765,844x = 4,148,766 × 664,596
  4. Step 4: Simplify right side
    2,765,844x = 2,757,253,288,536
  5. Step 5: Solve for x
    x = 2,757,253,288,536/2,765,844
  6. Step 6: Final answer
    x = 996,894

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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.