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Finding the Fourth Proportional to 436,908.57, 655,617.60 and 184,173.60

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Solution

The fourth proportional to 436,908.57, 655,617.60 and 184,173.60 is: 276,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,908.57 : 655,617.60 = 184,173.60 : x
  2. Step 2: Convert to fraction form
    436,908.57/655,617.60 = 184,173.60/x
  3. Step 3: Cross multiply
    436,908.57x = 655,617.60 × 184,173.60
  4. Step 4: Simplify right side
    436,908.57x = 120,747,453,615.36
  5. Step 5: Solve for x
    x = 120,747,453,615.36/436,908.57
  6. Step 6: Final answer
    x = 276,367.78

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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.