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Finding the Fourth Proportional to 247,166.60, 370,753.54 and 171,190.22

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Solution

The fourth proportional to 247,166.60, 370,753.54 and 171,190.22 is: 256,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,166.60 : 370,753.54 = 171,190.22 : x
  2. Step 2: Convert to fraction form
    247,166.60/370,753.54 = 171,190.22/x
  3. Step 3: Cross multiply
    247,166.60x = 370,753.54 × 171,190.22
  4. Step 4: Simplify right side
    247,166.60x = 63,469,380,078.38
  5. Step 5: Solve for x
    x = 63,469,380,078.38/247,166.60
  6. Step 6: Final answer
    x = 256,787.85

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1.5x scale

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.