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Finding the Fourth Proportional to 275,976.60, 413,090.10 and 197,244.60

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Solution

The fourth proportional to 275,976.60, 413,090.10 and 197,244.60 is: 295,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,976.60 : 413,090.10 = 197,244.60 : x
  2. Step 2: Convert to fraction form
    275,976.60/413,090.10 = 197,244.60/x
  3. Step 3: Cross multiply
    275,976.60x = 413,090.10 × 197,244.60
  4. Step 4: Simplify right side
    275,976.60x = 81,479,791,538.46
  5. Step 5: Solve for x
    x = 81,479,791,538.46/275,976.60
  6. Step 6: Final answer
    x = 295,241.67

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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.