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Finding the Fourth Proportional to 567,429.20, 851,086.20 and 193,446.80

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Solution

The fourth proportional to 567,429.20, 851,086.20 and 193,446.80 is: 290,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,429.20 : 851,086.20 = 193,446.80 : x
  2. Step 2: Convert to fraction form
    567,429.20/851,086.20 = 193,446.80/x
  3. Step 3: Cross multiply
    567,429.20x = 851,086.20 × 193,446.80
  4. Step 4: Simplify right side
    567,429.20x = 164,639,901,914.16
  5. Step 5: Solve for x
    x = 164,639,901,914.16/567,429.20
  6. Step 6: Final answer
    x = 290,150.56

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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.