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Finding the Fourth Proportional to 422,504.10, 633,850.92 and 156,273.30

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Solution

The fourth proportional to 422,504.10, 633,850.92 and 156,273.30 is: 234,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,504.10 : 633,850.92 = 156,273.30 : x
  2. Step 2: Convert to fraction form
    422,504.10/633,850.92 = 156,273.30/x
  3. Step 3: Cross multiply
    422,504.10x = 633,850.92 × 156,273.30
  4. Step 4: Simplify right side
    422,504.10x = 99,053,974,976.44
  5. Step 5: Solve for x
    x = 99,053,974,976.44/422,504.10
  6. Step 6: Final answer
    x = 234,445.00

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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.