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Finding the Fourth Proportional to 525,873.10, 789,544.11 and 269,884.75

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Solution

The fourth proportional to 525,873.10, 789,544.11 and 269,884.75 is: 405,204.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,873.10 : 789,544.11 = 269,884.75 : x
  2. Step 2: Convert to fraction form
    525,873.10/789,544.11 = 269,884.75/x
  3. Step 3: Cross multiply
    525,873.10x = 789,544.11 × 269,884.75
  4. Step 4: Simplify right side
    525,873.10x = 213,085,910,793.60
  5. Step 5: Solve for x
    x = 213,085,910,793.60/525,873.10
  6. Step 6: Final answer
    x = 405,204.06

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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.