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Finding the Fourth Proportional to 297,930.40, 447,068.40 and 110,960.80

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Solution

The fourth proportional to 297,930.40, 447,068.40 and 110,960.80 is: 166,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,930.40 : 447,068.40 = 110,960.80 : x
  2. Step 2: Convert to fraction form
    297,930.40/447,068.40 = 110,960.80/x
  3. Step 3: Cross multiply
    297,930.40x = 447,068.40 × 110,960.80
  4. Step 4: Simplify right side
    297,930.40x = 49,607,067,318.72
  5. Step 5: Solve for x
    x = 49,607,067,318.72/297,930.40
  6. Step 6: Final answer
    x = 166,505.56

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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.