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Finding the Fourth Proportional to 436,892.20, 655,305.90 and 184,107.40

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Solution

The fourth proportional to 436,892.20, 655,305.90 and 184,107.40 is: 276,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,892.20 : 655,305.90 = 184,107.40 : x
  2. Step 2: Convert to fraction form
    436,892.20/655,305.90 = 184,107.40/x
  3. Step 3: Cross multiply
    436,892.20x = 655,305.90 × 184,107.40
  4. Step 4: Simplify right side
    436,892.20x = 120,646,665,453.66
  5. Step 5: Solve for x
    x = 120,646,665,453.66/436,892.20
  6. Step 6: Final answer
    x = 276,147.45

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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.