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Finding the Fourth Proportional to 461,940.60, 693,170.10 and 195,655.80

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Solution

The fourth proportional to 461,940.60, 693,170.10 and 195,655.80 is: 293,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,940.60 : 693,170.10 = 195,655.80 : x
  2. Step 2: Convert to fraction form
    461,940.60/693,170.10 = 195,655.80/x
  3. Step 3: Cross multiply
    461,940.60x = 693,170.10 × 195,655.80
  4. Step 4: Simplify right side
    461,940.60x = 135,622,750,451.58
  5. Step 5: Solve for x
    x = 135,622,750,451.58/461,940.60
  6. Step 6: Final answer
    x = 293,593.48

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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.