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Finding the Fourth Proportional to 699,451.96, 965,243.74 and 397,645.96

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Solution

The fourth proportional to 699,451.96, 965,243.74 and 397,645.96 is: 548,751.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,451.96 : 965,243.74 = 397,645.96 : x
  2. Step 2: Convert to fraction form
    699,451.96/965,243.74 = 397,645.96/x
  3. Step 3: Cross multiply
    699,451.96x = 965,243.74 × 397,645.96
  4. Step 4: Simplify right side
    699,451.96x = 383,825,268,800.07
  5. Step 5: Solve for x
    x = 383,825,268,800.07/699,451.96
  6. Step 6: Final answer
    x = 548,751.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.