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Finding the Fourth Proportional to 348,954.36, 481,552.74 and 198,041.64

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Solution

The fourth proportional to 348,954.36, 481,552.74 and 198,041.64 is: 273,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,954.36 : 481,552.74 = 198,041.64 : x
  2. Step 2: Convert to fraction form
    348,954.36/481,552.74 = 198,041.64/x
  3. Step 3: Cross multiply
    348,954.36x = 481,552.74 × 198,041.64
  4. Step 4: Simplify right side
    348,954.36x = 95,367,494,376.09
  5. Step 5: Solve for x
    x = 95,367,494,376.09/348,954.36
  6. Step 6: Final answer
    x = 273,295.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.