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Finding the Fourth Proportional to 279,467.80, 418,378.02 and 184,523.80

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Solution

The fourth proportional to 279,467.80, 418,378.02 and 184,523.80 is: 276,241.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,467.80 : 418,378.02 = 184,523.80 : x
  2. Step 2: Convert to fraction form
    279,467.80/418,378.02 = 184,523.80/x
  3. Step 3: Cross multiply
    279,467.80x = 418,378.02 × 184,523.80
  4. Step 4: Simplify right side
    279,467.80x = 77,200,702,086.88
  5. Step 5: Solve for x
    x = 77,200,702,086.88/279,467.80
  6. Step 6: Final answer
    x = 276,241.85

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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.