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Finding the Fourth Proportional to 260,190.40, 389,819.04 and 246,193.60

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Solution

The fourth proportional to 260,190.40, 389,819.04 and 246,193.60 is: 368,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,190.40 : 389,819.04 = 246,193.60 : x
  2. Step 2: Convert to fraction form
    260,190.40/389,819.04 = 246,193.60/x
  3. Step 3: Cross multiply
    260,190.40x = 389,819.04 × 246,193.60
  4. Step 4: Simplify right side
    260,190.40x = 95,970,952,806.14
  5. Step 5: Solve for x
    x = 95,970,952,806.14/260,190.40
  6. Step 6: Final answer
    x = 368,848.94

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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.