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Finding the Fourth Proportional to 228,906.30, 343,359.45 and 195,080.70

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Solution

The fourth proportional to 228,906.30, 343,359.45 and 195,080.70 is: 292,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,906.30 : 343,359.45 = 195,080.70 : x
  2. Step 2: Convert to fraction form
    228,906.30/343,359.45 = 195,080.70/x
  3. Step 3: Cross multiply
    228,906.30x = 343,359.45 × 195,080.70
  4. Step 4: Simplify right side
    228,906.30x = 66,982,801,857.62
  5. Step 5: Solve for x
    x = 66,982,801,857.62/228,906.30
  6. Step 6: Final answer
    x = 292,621.05

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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.