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Finding the Fourth Proportional to 449,894.60, 674,771.40 and 150,372.80

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Solution

The fourth proportional to 449,894.60, 674,771.40 and 150,372.80 is: 225,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,894.60 : 674,771.40 = 150,372.80 : x
  2. Step 2: Convert to fraction form
    449,894.60/674,771.40 = 150,372.80/x
  3. Step 3: Cross multiply
    449,894.60x = 674,771.40 × 150,372.80
  4. Step 4: Simplify right side
    449,894.60x = 101,467,264,777.92
  5. Step 5: Solve for x
    x = 101,467,264,777.92/449,894.60
  6. Step 6: Final answer
    x = 225,535.64

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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.