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Finding the Fourth Proportional to 323,517.60, 485,258.74 and 98,877.96

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Solution

The fourth proportional to 323,517.60, 485,258.74 and 98,877.96 is: 148,311.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,517.60 : 485,258.74 = 98,877.96 : x
  2. Step 2: Convert to fraction form
    323,517.60/485,258.74 = 98,877.96/x
  3. Step 3: Cross multiply
    323,517.60x = 485,258.74 × 98,877.96
  4. Step 4: Simplify right side
    323,517.60x = 47,981,394,283.37
  5. Step 5: Solve for x
    x = 47,981,394,283.37/323,517.60
  6. Step 6: Final answer
    x = 148,311.54

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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.