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Finding the Fourth Proportional to 629,425.60, 945,981.60 and 548,324.80

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Solution

The fourth proportional to 629,425.60, 945,981.60 and 548,324.80 is: 824,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,425.60 : 945,981.60 = 548,324.80 : x
  2. Step 2: Convert to fraction form
    629,425.60/945,981.60 = 548,324.80/x
  3. Step 3: Cross multiply
    629,425.60x = 945,981.60 × 548,324.80
  4. Step 4: Simplify right side
    629,425.60x = 518,705,171,623.68
  5. Step 5: Solve for x
    x = 518,705,171,623.68/629,425.60
  6. Step 6: Final answer
    x = 824,092.91

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1.5x scale

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.