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Finding the Fourth Proportional to 329,229.60, 493,844.40 and 179,930.40

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Solution

The fourth proportional to 329,229.60, 493,844.40 and 179,930.40 is: 269,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,229.60 : 493,844.40 = 179,930.40 : x
  2. Step 2: Convert to fraction form
    329,229.60/493,844.40 = 179,930.40/x
  3. Step 3: Cross multiply
    329,229.60x = 493,844.40 × 179,930.40
  4. Step 4: Simplify right side
    329,229.60x = 88,857,620,429.76
  5. Step 5: Solve for x
    x = 88,857,620,429.76/329,229.60
  6. Step 6: Final answer
    x = 269,895.60

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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.