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Finding the Fourth Proportional to 275,133.60, 411,825.60 and 196,401.60

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Solution

The fourth proportional to 275,133.60, 411,825.60 and 196,401.60 is: 293,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,133.60 : 411,825.60 = 196,401.60 : x
  2. Step 2: Convert to fraction form
    275,133.60/411,825.60 = 196,401.60/x
  3. Step 3: Cross multiply
    275,133.60x = 411,825.60 × 196,401.60
  4. Step 4: Simplify right side
    275,133.60x = 80,883,206,760.96
  5. Step 5: Solve for x
    x = 80,883,206,760.96/275,133.60
  6. Step 6: Final answer
    x = 293,977.93

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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.