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Finding the Fourth Proportional to 350,989.44, 484,324.46 and 198,030.05

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Solution

The fourth proportional to 350,989.44, 484,324.46 and 198,030.05 is: 273,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,989.44 : 484,324.46 = 198,030.05 : x
  2. Step 2: Convert to fraction form
    350,989.44/484,324.46 = 198,030.05/x
  3. Step 3: Cross multiply
    350,989.44x = 484,324.46 × 198,030.05
  4. Step 4: Simplify right side
    350,989.44x = 95,910,797,291.00
  5. Step 5: Solve for x
    x = 95,910,797,291.00/350,989.44
  6. Step 6: Final answer
    x = 273,258.36

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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.