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Finding the Fourth Proportional to 329,633.40, 494,450.10 and 179,815.80

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Solution

The fourth proportional to 329,633.40, 494,450.10 and 179,815.80 is: 269,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,633.40 : 494,450.10 = 179,815.80 : x
  2. Step 2: Convert to fraction form
    329,633.40/494,450.10 = 179,815.80/x
  3. Step 3: Cross multiply
    329,633.40x = 494,450.10 × 179,815.80
  4. Step 4: Simplify right side
    329,633.40x = 88,909,940,291.58
  5. Step 5: Solve for x
    x = 88,909,940,291.58/329,633.40
  6. Step 6: Final answer
    x = 269,723.70

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Similar ratio
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1.5x scale

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.