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Finding the Fourth Proportional to 629,727.60, 946,434.60 and 548,626.80

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Solution

The fourth proportional to 629,727.60, 946,434.60 and 548,626.80 is: 824,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,727.60 : 946,434.60 = 548,626.80 : x
  2. Step 2: Convert to fraction form
    629,727.60/946,434.60 = 548,626.80/x
  3. Step 3: Cross multiply
    629,727.60x = 946,434.60 × 548,626.80
  4. Step 4: Simplify right side
    629,727.60x = 519,239,386,007.28
  5. Step 5: Solve for x
    x = 519,239,386,007.28/629,727.60
  6. Step 6: Final answer
    x = 824,546.02

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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.