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Finding the Fourth Proportional to 3,816,292.73, 5,724,409.91 and 976,400.33

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Solution

The fourth proportional to 3,816,292.73, 5,724,409.91 and 976,400.33 is: 1,464,593.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816,292.73 : 5,724,409.91 = 976,400.33 : x
  2. Step 2: Convert to fraction form
    3,816,292.73/5,724,409.91 = 976,400.33/x
  3. Step 3: Cross multiply
    3,816,292.73x = 5,724,409.91 × 976,400.33
  4. Step 4: Simplify right side
    3,816,292.73x = 5,589,315,691,675.22
  5. Step 5: Solve for x
    x = 5,589,315,691,675.22/3,816,292.73
  6. Step 6: Final answer
    x = 1,464,593.02

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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.