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Finding the Fourth Proportional to 297,835.80, 447,099.30 and 179,640.60

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Solution

The fourth proportional to 297,835.80, 447,099.30 and 179,640.60 is: 269,669.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,835.80 : 447,099.30 = 179,640.60 : x
  2. Step 2: Convert to fraction form
    297,835.80/447,099.30 = 179,640.60/x
  3. Step 3: Cross multiply
    297,835.80x = 447,099.30 × 179,640.60
  4. Step 4: Simplify right side
    297,835.80x = 80,317,186,511.58
  5. Step 5: Solve for x
    x = 80,317,186,511.58/297,835.80
  6. Step 6: Final answer
    x = 269,669.35

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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.