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Finding the Fourth Proportional to 449,074.18, 673,737.63 and 196,376.86

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Solution

The fourth proportional to 449,074.18, 673,737.63 and 196,376.86 is: 294,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,074.18 : 673,737.63 = 196,376.86 : x
  2. Step 2: Convert to fraction form
    449,074.18/673,737.63 = 196,376.86/x
  3. Step 3: Cross multiply
    449,074.18x = 673,737.63 × 196,376.86
  4. Step 4: Simplify right side
    449,074.18x = 132,306,480,243.24
  5. Step 5: Solve for x
    x = 132,306,480,243.24/449,074.18
  6. Step 6: Final answer
    x = 294,620.55

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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.