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Finding the Fourth Proportional to 598,231.71, 897,153.44 and 198,765.23

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Solution

The fourth proportional to 598,231.71, 897,153.44 and 198,765.23 is: 298,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,231.71 : 897,153.44 = 198,765.23 : x
  2. Step 2: Convert to fraction form
    598,231.71/897,153.44 = 198,765.23/x
  3. Step 3: Cross multiply
    598,231.71x = 897,153.44 × 198,765.23
  4. Step 4: Simplify right side
    598,231.71x = 178,322,904,367.30
  5. Step 5: Solve for x
    x = 178,322,904,367.30/598,231.71
  6. Step 6: Final answer
    x = 298,083.34

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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.