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Finding the Fourth Proportional to 410,847.20, 616,270.80 and 275,544.80

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Solution

The fourth proportional to 410,847.20, 616,270.80 and 275,544.80 is: 413,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,847.20 : 616,270.80 = 275,544.80 : x
  2. Step 2: Convert to fraction form
    410,847.20/616,270.80 = 275,544.80/x
  3. Step 3: Cross multiply
    410,847.20x = 616,270.80 × 275,544.80
  4. Step 4: Simplify right side
    410,847.20x = 169,810,214,331.84
  5. Step 5: Solve for x
    x = 169,810,214,331.84/410,847.20
  6. Step 6: Final answer
    x = 413,317.20

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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.