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Finding the Fourth Proportional to 275,191.83, 379,610.96 and 173,179.22

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Solution

The fourth proportional to 275,191.83, 379,610.96 and 173,179.22 is: 238,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,191.83 : 379,610.96 = 173,179.22 : x
  2. Step 2: Convert to fraction form
    275,191.83/379,610.96 = 173,179.22/x
  3. Step 3: Cross multiply
    275,191.83x = 379,610.96 × 173,179.22
  4. Step 4: Simplify right side
    275,191.83x = 65,740,727,192.30
  5. Step 5: Solve for x
    x = 65,740,727,192.30/275,191.83
  6. Step 6: Final answer
    x = 238,890.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.