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Finding the Fourth Proportional to 332,612.88, 498,608.28 and 122,194.32

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Solution

The fourth proportional to 332,612.88, 498,608.28 and 122,194.32 is: 183,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,612.88 : 498,608.28 = 122,194.32 : x
  2. Step 2: Convert to fraction form
    332,612.88/498,608.28 = 122,194.32/x
  3. Step 3: Cross multiply
    332,612.88x = 498,608.28 × 122,194.32
  4. Step 4: Simplify right side
    332,612.88x = 60,927,099,720.97
  5. Step 5: Solve for x
    x = 60,927,099,720.97/332,612.88
  6. Step 6: Final answer
    x = 183,177.21

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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.