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Finding the Fourth Proportional to 574,469.60, 861,704.40 and 325,637.60

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Solution

The fourth proportional to 574,469.60, 861,704.40 and 325,637.60 is: 488,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,469.60 : 861,704.40 = 325,637.60 : x
  2. Step 2: Convert to fraction form
    574,469.60/861,704.40 = 325,637.60/x
  3. Step 3: Cross multiply
    574,469.60x = 861,704.40 × 325,637.60
  4. Step 4: Simplify right side
    574,469.60x = 280,603,352,725.44
  5. Step 5: Solve for x
    x = 280,603,352,725.44/574,469.60
  6. Step 6: Final answer
    x = 488,456.40

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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.