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Finding the Fourth Proportional to 574,321.44, 860,609.04 and 274,388.88

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Solution

The fourth proportional to 574,321.44, 860,609.04 and 274,388.88 is: 411,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,321.44 : 860,609.04 = 274,388.88 : x
  2. Step 2: Convert to fraction form
    574,321.44/860,609.04 = 274,388.88/x
  3. Step 3: Cross multiply
    574,321.44x = 860,609.04 × 274,388.88
  4. Step 4: Simplify right side
    574,321.44x = 236,141,550,603.48
  5. Step 5: Solve for x
    x = 236,141,550,603.48/574,321.44
  6. Step 6: Final answer
    x = 411,166.18

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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.