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Finding the Fourth Proportional to 2,650,844, 3,976,266 and 656,300

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Solution

The fourth proportional to 2,650,844, 3,976,266 and 656,300 is: 984,450

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,844 : 3,976,266 = 656,300 : x
  2. Step 2: Convert to fraction form
    2,650,844/3,976,266 = 656,300/x
  3. Step 3: Cross multiply
    2,650,844x = 3,976,266 × 656,300
  4. Step 4: Simplify right side
    2,650,844x = 2,609,623,375,800
  5. Step 5: Solve for x
    x = 2,609,623,375,800/2,650,844
  6. Step 6: Final answer
    x = 984,450

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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.