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Finding the Fourth Proportional to 3,162,649.63, 4,743,974.34 and 766,494.27

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Solution

The fourth proportional to 3,162,649.63, 4,743,974.34 and 766,494.27 is: 1,149,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162,649.63 : 4,743,974.34 = 766,494.27 : x
  2. Step 2: Convert to fraction form
    3,162,649.63/4,743,974.34 = 766,494.27/x
  3. Step 3: Cross multiply
    3,162,649.63x = 4,743,974.34 × 766,494.27
  4. Step 4: Simplify right side
    3,162,649.63x = 3,636,229,124,917.16
  5. Step 5: Solve for x
    x = 3,636,229,124,917.16/3,162,649.63
  6. Step 6: Final answer
    x = 1,149,741.37

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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.