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Finding the Fourth Proportional to 961,662.18, 1,320,144.44 and 825,459.67

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Solution

The fourth proportional to 961,662.18, 1,320,144.44 and 825,459.67 is: 1,133,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,662.18 : 1,320,144.44 = 825,459.67 : x
  2. Step 2: Convert to fraction form
    961,662.18/1,320,144.44 = 825,459.67/x
  3. Step 3: Cross multiply
    961,662.18x = 1,320,144.44 × 825,459.67
  4. Step 4: Simplify right side
    961,662.18x = 1,089,725,993,794.73
  5. Step 5: Solve for x
    x = 1,089,725,993,794.73/961,662.18
  6. Step 6: Final answer
    x = 1,133,169.23

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.