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Finding the Fourth Proportional to 275,978.60, 413,093.10 and 197,246.60

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Solution

The fourth proportional to 275,978.60, 413,093.10 and 197,246.60 is: 295,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,978.60 : 413,093.10 = 197,246.60 : x
  2. Step 2: Convert to fraction form
    275,978.60/413,093.10 = 197,246.60/x
  3. Step 3: Cross multiply
    275,978.60x = 413,093.10 × 197,246.60
  4. Step 4: Simplify right side
    275,978.60x = 81,481,209,458.46
  5. Step 5: Solve for x
    x = 81,481,209,458.46/275,978.60
  6. Step 6: Final answer
    x = 295,244.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.