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Finding the Fourth Proportional to 548,715.60, 823,073.40 and 489,229.20

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Solution

The fourth proportional to 548,715.60, 823,073.40 and 489,229.20 is: 733,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,715.60 : 823,073.40 = 489,229.20 : x
  2. Step 2: Convert to fraction form
    548,715.60/823,073.40 = 489,229.20/x
  3. Step 3: Cross multiply
    548,715.60x = 823,073.40 × 489,229.20
  4. Step 4: Simplify right side
    548,715.60x = 402,671,541,023.28
  5. Step 5: Solve for x
    x = 402,671,541,023.28/548,715.60
  6. Step 6: Final answer
    x = 733,843.80

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Similar ratio
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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.