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Finding the Fourth Proportional to 574,078.21, 860,584.84 and 254,059.97

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Solution

The fourth proportional to 574,078.21, 860,584.84 and 254,059.97 is: 380,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,078.21 : 860,584.84 = 254,059.97 : x
  2. Step 2: Convert to fraction form
    574,078.21/860,584.84 = 254,059.97/x
  3. Step 3: Cross multiply
    574,078.21x = 860,584.84 × 254,059.97
  4. Step 4: Simplify right side
    574,078.21x = 218,640,153,694.78
  5. Step 5: Solve for x
    x = 218,640,153,694.78/574,078.21
  6. Step 6: Final answer
    x = 380,854.30

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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.