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Finding the Fourth Proportional to 330,462.43, 456,040.91 and 179,559.43

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Solution

The fourth proportional to 330,462.43, 456,040.91 and 179,559.43 is: 247,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,462.43 : 456,040.91 = 179,559.43 : x
  2. Step 2: Convert to fraction form
    330,462.43/456,040.91 = 179,559.43/x
  3. Step 3: Cross multiply
    330,462.43x = 456,040.91 × 179,559.43
  4. Step 4: Simplify right side
    330,462.43x = 81,886,445,856.28
  5. Step 5: Solve for x
    x = 81,886,445,856.28/330,462.43
  6. Step 6: Final answer
    x = 247,793.51

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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.