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Finding the Fourth Proportional to 325,812.52, 449,621.24 and 198,488.02

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Solution

The fourth proportional to 325,812.52, 449,621.24 and 198,488.02 is: 273,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,812.52 : 449,621.24 = 198,488.02 : x
  2. Step 2: Convert to fraction form
    325,812.52/449,621.24 = 198,488.02/x
  3. Step 3: Cross multiply
    325,812.52x = 449,621.24 × 198,488.02
  4. Step 4: Simplify right side
    325,812.52x = 89,244,429,677.54
  5. Step 5: Solve for x
    x = 89,244,429,677.54/325,812.52
  6. Step 6: Final answer
    x = 273,913.44

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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.