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Finding the Fourth Proportional to 220,596.86, 331,004.61 and 87,474.17

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Solution

The fourth proportional to 220,596.86, 331,004.61 and 87,474.17 is: 131,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,596.86 : 331,004.61 = 87,474.17 : x
  2. Step 2: Convert to fraction form
    220,596.86/331,004.61 = 87,474.17/x
  3. Step 3: Cross multiply
    220,596.86x = 331,004.61 × 87,474.17
  4. Step 4: Simplify right side
    220,596.86x = 28,954,354,353.44
  5. Step 5: Solve for x
    x = 28,954,354,353.44/220,596.86
  6. Step 6: Final answer
    x = 131,254.61

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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.