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Finding the Fourth Proportional to 275,181.60, 412,772.40 and 247,625.40

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Solution

The fourth proportional to 275,181.60, 412,772.40 and 247,625.40 is: 371,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,181.60 : 412,772.40 = 247,625.40 : x
  2. Step 2: Convert to fraction form
    275,181.60/412,772.40 = 247,625.40/x
  3. Step 3: Cross multiply
    275,181.60x = 412,772.40 × 247,625.40
  4. Step 4: Simplify right side
    275,181.60x = 102,212,930,658.96
  5. Step 5: Solve for x
    x = 102,212,930,658.96/275,181.60
  6. Step 6: Final answer
    x = 371,438.10

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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.