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Finding the Fourth Proportional to 1,166,363.96, 1,747,414.22 and 845,721.41

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Solution

The fourth proportional to 1,166,363.96, 1,747,414.22 and 845,721.41 is: 1,267,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,363.96 : 1,747,414.22 = 845,721.41 : x
  2. Step 2: Convert to fraction form
    1,166,363.96/1,747,414.22 = 845,721.41/x
  3. Step 3: Cross multiply
    1,166,363.96x = 1,747,414.22 × 845,721.41
  4. Step 4: Simplify right side
    1,166,363.96x = 1,477,825,605,026.77
  5. Step 5: Solve for x
    x = 1,477,825,605,026.77/1,166,363.96
  6. Step 6: Final answer
    x = 1,267,036.42

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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.