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Finding the Fourth Proportional to 441,630.80, 662,640.60 and 204,851.60

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Solution

The fourth proportional to 441,630.80, 662,640.60 and 204,851.60 is: 307,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,630.80 : 662,640.60 = 204,851.60 : x
  2. Step 2: Convert to fraction form
    441,630.80/662,640.60 = 204,851.60/x
  3. Step 3: Cross multiply
    441,630.80x = 662,640.60 × 204,851.60
  4. Step 4: Simplify right side
    441,630.80x = 135,742,987,134.96
  5. Step 5: Solve for x
    x = 135,742,987,134.96/441,630.80
  6. Step 6: Final answer
    x = 307,367.57

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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.