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Finding the Fourth Proportional to 325,912.77, 488,879.42 and 101,274.39

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Solution

The fourth proportional to 325,912.77, 488,879.42 and 101,274.39 is: 151,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,912.77 : 488,879.42 = 101,274.39 : x
  2. Step 2: Convert to fraction form
    325,912.77/488,879.42 = 101,274.39/x
  3. Step 3: Cross multiply
    325,912.77x = 488,879.42 × 101,274.39
  4. Step 4: Simplify right side
    325,912.77x = 49,510,964,537.68
  5. Step 5: Solve for x
    x = 49,510,964,537.68/325,912.77
  6. Step 6: Final answer
    x = 151,914.77

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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.