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Finding the Fourth Proportional to 539,794.80, 810,186.03 and 273,738.96

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Solution

The fourth proportional to 539,794.80, 810,186.03 and 273,738.96 is: 410,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,794.80 : 810,186.03 = 273,738.96 : x
  2. Step 2: Convert to fraction form
    539,794.80/810,186.03 = 273,738.96/x
  3. Step 3: Cross multiply
    539,794.80x = 810,186.03 × 273,738.96
  4. Step 4: Simplify right side
    539,794.80x = 221,779,481,258.73
  5. Step 5: Solve for x
    x = 221,779,481,258.73/539,794.80
  6. Step 6: Final answer
    x = 410,858.87

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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.