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Finding the Fourth Proportional to 1,230,743.09, 1,845,158.51 and 797,545.43

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Solution

The fourth proportional to 1,230,743.09, 1,845,158.51 and 797,545.43 is: 1,195,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,743.09 : 1,845,158.51 = 797,545.43 : x
  2. Step 2: Convert to fraction form
    1,230,743.09/1,845,158.51 = 797,545.43/x
  3. Step 3: Cross multiply
    1,230,743.09x = 1,845,158.51 × 797,545.43
  4. Step 4: Simplify right side
    1,230,743.09x = 1,471,597,728,050.32
  5. Step 5: Solve for x
    x = 1,471,597,728,050.32/1,230,743.09
  6. Step 6: Final answer
    x = 1,195,698.55

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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.