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Finding the Fourth Proportional to 350,969.88, 484,338.52 and 198,040.54

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Solution

The fourth proportional to 350,969.88, 484,338.52 and 198,040.54 is: 273,295.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,969.88 : 484,338.52 = 198,040.54 : x
  2. Step 2: Convert to fraction form
    350,969.88/484,338.52 = 198,040.54/x
  3. Step 3: Cross multiply
    350,969.88x = 484,338.52 × 198,040.54
  4. Step 4: Simplify right side
    350,969.88x = 95,918,662,043.60
  5. Step 5: Solve for x
    x = 95,918,662,043.60/350,969.88
  6. Step 6: Final answer
    x = 273,295.99

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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.