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Finding the Fourth Proportional to 436,877.82, 655,571.52 and 184,142.88

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Solution

The fourth proportional to 436,877.82, 655,571.52 and 184,142.88 is: 276,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,877.82 : 655,571.52 = 184,142.88 : x
  2. Step 2: Convert to fraction form
    436,877.82/655,571.52 = 184,142.88/x
  3. Step 3: Cross multiply
    436,877.82x = 655,571.52 × 184,142.88
  4. Step 4: Simplify right side
    436,877.82x = 120,718,827,738.78
  5. Step 5: Solve for x
    x = 120,718,827,738.78/436,877.82
  6. Step 6: Final answer
    x = 276,321.71

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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.