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Finding the Fourth Proportional to 234,383.80, 351,440.28 and 206,360.08

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Solution

The fourth proportional to 234,383.80, 351,440.28 and 206,360.08 is: 309,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,383.80 : 351,440.28 = 206,360.08 : x
  2. Step 2: Convert to fraction form
    234,383.80/351,440.28 = 206,360.08/x
  3. Step 3: Cross multiply
    234,383.80x = 351,440.28 × 206,360.08
  4. Step 4: Simplify right side
    234,383.80x = 72,523,244,296.02
  5. Step 5: Solve for x
    x = 72,523,244,296.02/234,383.80
  6. Step 6: Final answer
    x = 309,420.89

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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.