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Finding the Fourth Proportional to 330,568.56, 456,181.20 and 179,664.48

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Solution

The fourth proportional to 330,568.56, 456,181.20 and 179,664.48 is: 247,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,568.56 : 456,181.20 = 179,664.48 : x
  2. Step 2: Convert to fraction form
    330,568.56/456,181.20 = 179,664.48/x
  3. Step 3: Cross multiply
    330,568.56x = 456,181.20 × 179,664.48
  4. Step 4: Simplify right side
    330,568.56x = 81,959,558,083.78
  5. Step 5: Solve for x
    x = 81,959,558,083.78/330,568.56
  6. Step 6: Final answer
    x = 247,935.13

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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.