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Finding the Fourth Proportional to 325,580.90, 449,325.42 and 196,551.12

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Solution

The fourth proportional to 325,580.90, 449,325.42 and 196,551.12 is: 271,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,580.90 : 449,325.42 = 196,551.12 : x
  2. Step 2: Convert to fraction form
    325,580.90/449,325.42 = 196,551.12/x
  3. Step 3: Cross multiply
    325,580.90x = 449,325.42 × 196,551.12
  4. Step 4: Simplify right side
    325,580.90x = 88,315,414,545.47
  5. Step 5: Solve for x
    x = 88,315,414,545.47/325,580.90
  6. Step 6: Final answer
    x = 271,254.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.