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Finding the Fourth Proportional to 574,260.75, 861,785.60 and 200,283.75

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Solution

The fourth proportional to 574,260.75, 861,785.60 and 200,283.75 is: 300,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,260.75 : 861,785.60 = 200,283.75 : x
  2. Step 2: Convert to fraction form
    574,260.75/861,785.60 = 200,283.75/x
  3. Step 3: Cross multiply
    574,260.75x = 861,785.60 × 200,283.75
  4. Step 4: Simplify right side
    574,260.75x = 172,601,651,664
  5. Step 5: Solve for x
    x = 172,601,651,664/574,260.75
  6. Step 6: Final answer
    x = 300,563.21

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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.