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Finding the Fourth Proportional to 351,092.44, 484,505.69 and 198,180.32

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Solution

The fourth proportional to 351,092.44, 484,505.69 and 198,180.32 is: 273,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,092.44 : 484,505.69 = 198,180.32 : x
  2. Step 2: Convert to fraction form
    351,092.44/484,505.69 = 198,180.32/x
  3. Step 3: Cross multiply
    351,092.44x = 484,505.69 × 198,180.32
  4. Step 4: Simplify right side
    351,092.44x = 96,019,495,081.11
  5. Step 5: Solve for x
    x = 96,019,495,081.11/351,092.44
  6. Step 6: Final answer
    x = 273,487.79

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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.