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Finding the Fourth Proportional to 441,610.80, 662,452.20 and 188,893.20

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Solution

The fourth proportional to 441,610.80, 662,452.20 and 188,893.20 is: 283,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,610.80 : 662,452.20 = 188,893.20 : x
  2. Step 2: Convert to fraction form
    441,610.80/662,452.20 = 188,893.20/x
  3. Step 3: Cross multiply
    441,610.80x = 662,452.20 × 188,893.20
  4. Step 4: Simplify right side
    441,610.80x = 125,132,715,905.04
  5. Step 5: Solve for x
    x = 125,132,715,905.04/441,610.80
  6. Step 6: Final answer
    x = 283,355.20

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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.