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Finding the Fourth Proportional to 737,072.85, 1,105,615.46 and 204,635.40

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Solution

The fourth proportional to 737,072.85, 1,105,615.46 and 204,635.40 is: 306,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,072.85 : 1,105,615.46 = 204,635.40 : x
  2. Step 2: Convert to fraction form
    737,072.85/1,105,615.46 = 204,635.40/x
  3. Step 3: Cross multiply
    737,072.85x = 1,105,615.46 × 204,635.40
  4. Step 4: Simplify right side
    737,072.85x = 226,248,056,375.21
  5. Step 5: Solve for x
    x = 226,248,056,375.21/737,072.85
  6. Step 6: Final answer
    x = 306,954.81

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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.