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Finding the Fourth Proportional to 591,610.40, 886,103.40 and 236,441.60

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Solution

The fourth proportional to 591,610.40, 886,103.40 and 236,441.60 is: 354,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,610.40 : 886,103.40 = 236,441.60 : x
  2. Step 2: Convert to fraction form
    591,610.40/886,103.40 = 236,441.60/x
  3. Step 3: Cross multiply
    591,610.40x = 886,103.40 × 236,441.60
  4. Step 4: Simplify right side
    591,610.40x = 209,511,705,661.44
  5. Step 5: Solve for x
    x = 209,511,705,661.44/591,610.40
  6. Step 6: Final answer
    x = 354,137.97

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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.