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Finding the Fourth Proportional to 318,144.45, 477,191.87 and 184,939.75

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Solution

The fourth proportional to 318,144.45, 477,191.87 and 184,939.75 is: 277,395.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,144.45 : 477,191.87 = 184,939.75 : x
  2. Step 2: Convert to fraction form
    318,144.45/477,191.87 = 184,939.75/x
  3. Step 3: Cross multiply
    318,144.45x = 477,191.87 × 184,939.75
  4. Step 4: Simplify right side
    318,144.45x = 88,251,743,022.15
  5. Step 5: Solve for x
    x = 88,251,743,022.15/318,144.45
  6. Step 6: Final answer
    x = 277,395.20

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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.