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Finding the Fourth Proportional to 325,662.46, 488,456.73 and 125,929.22

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Solution

The fourth proportional to 325,662.46, 488,456.73 and 125,929.22 is: 188,879.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,662.46 : 488,456.73 = 125,929.22 : x
  2. Step 2: Convert to fraction form
    325,662.46/488,456.73 = 125,929.22/x
  3. Step 3: Cross multiply
    325,662.46x = 488,456.73 × 125,929.22
  4. Step 4: Simplify right side
    325,662.46x = 61,510,972,570.37
  5. Step 5: Solve for x
    x = 61,510,972,570.37/325,662.46
  6. Step 6: Final answer
    x = 188,879.53

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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.