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Finding the Fourth Proportional to 591,772.20, 886,637.70 and 275,580.60

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Solution

The fourth proportional to 591,772.20, 886,637.70 and 275,580.60 is: 412,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,772.20 : 886,637.70 = 275,580.60 : x
  2. Step 2: Convert to fraction form
    591,772.20/886,637.70 = 275,580.60/x
  3. Step 3: Cross multiply
    591,772.20x = 886,637.70 × 275,580.60
  4. Step 4: Simplify right side
    591,772.20x = 244,340,149,348.62
  5. Step 5: Solve for x
    x = 244,340,149,348.62/591,772.20
  6. Step 6: Final answer
    x = 412,895.62

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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.