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Finding the Fourth Proportional to 325,976.92, 488,848.74 and 176,327.80

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Solution

The fourth proportional to 325,976.92, 488,848.74 and 176,327.80 is: 264,428.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,976.92 : 488,848.74 = 176,327.80 : x
  2. Step 2: Convert to fraction form
    325,976.92/488,848.74 = 176,327.80/x
  3. Step 3: Cross multiply
    325,976.92x = 488,848.74 × 176,327.80
  4. Step 4: Simplify right side
    325,976.92x = 86,197,622,856.97
  5. Step 5: Solve for x
    x = 86,197,622,856.97/325,976.92
  6. Step 6: Final answer
    x = 264,428.61

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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.