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Finding the Fourth Proportional to 433,891.20, 650,836.80 and 184,540.80

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Solution

The fourth proportional to 433,891.20, 650,836.80 and 184,540.80 is: 276,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,891.20 : 650,836.80 = 184,540.80 : x
  2. Step 2: Convert to fraction form
    433,891.20/650,836.80 = 184,540.80/x
  3. Step 3: Cross multiply
    433,891.20x = 650,836.80 × 184,540.80
  4. Step 4: Simplify right side
    433,891.20x = 120,105,943,741.44
  5. Step 5: Solve for x
    x = 120,105,943,741.44/433,891.20
  6. Step 6: Final answer
    x = 276,811.20

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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.