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Finding the Fourth Proportional to 1,957,846.43, 2,936,849.30 and 932,649.73

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Solution

The fourth proportional to 1,957,846.43, 2,936,849.30 and 932,649.73 is: 1,399,012.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957,846.43 : 2,936,849.30 = 932,649.73 : x
  2. Step 2: Convert to fraction form
    1,957,846.43/2,936,849.30 = 932,649.73/x
  3. Step 3: Cross multiply
    1,957,846.43x = 2,936,849.30 × 932,649.73
  4. Step 4: Simplify right side
    1,957,846.43x = 2,739,051,698,187.75
  5. Step 5: Solve for x
    x = 2,739,051,698,187.75/1,957,846.43
  6. Step 6: Final answer
    x = 1,399,012.53

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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.