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Finding the Fourth Proportional to 1,951,258.07, 2,927,724.65 and 754,021.37

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Solution

The fourth proportional to 1,951,258.07, 2,927,724.65 and 754,021.37 is: 1,131,355.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,258.07 : 2,927,724.65 = 754,021.37 : x
  2. Step 2: Convert to fraction form
    1,951,258.07/2,927,724.65 = 754,021.37/x
  3. Step 3: Cross multiply
    1,951,258.07x = 2,927,724.65 × 754,021.37
  4. Step 4: Simplify right side
    1,951,258.07x = 2,207,566,957,952.56
  5. Step 5: Solve for x
    x = 2,207,566,957,952.56/1,951,258.07
  6. Step 6: Final answer
    x = 1,131,355.71

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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.