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Finding the Fourth Proportional to 329,965.86, 455,350.22 and 179,062.86

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Solution

The fourth proportional to 329,965.86, 455,350.22 and 179,062.86 is: 247,105.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,965.86 : 455,350.22 = 179,062.86 : x
  2. Step 2: Convert to fraction form
    329,965.86/455,350.22 = 179,062.86/x
  3. Step 3: Cross multiply
    329,965.86x = 455,350.22 × 179,062.86
  4. Step 4: Simplify right side
    329,965.86x = 81,536,312,694.83
  5. Step 5: Solve for x
    x = 81,536,312,694.83/329,965.86
  6. Step 6: Final answer
    x = 247,105.30

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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.