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Finding the Fourth Proportional to 384,169.20, 576,253.80 and 184,441.43

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Solution

The fourth proportional to 384,169.20, 576,253.80 and 184,441.43 is: 276,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,169.20 : 576,253.80 = 184,441.43 : x
  2. Step 2: Convert to fraction form
    384,169.20/576,253.80 = 184,441.43/x
  3. Step 3: Cross multiply
    384,169.20x = 576,253.80 × 184,441.43
  4. Step 4: Simplify right side
    384,169.20x = 106,285,074,914.93
  5. Step 5: Solve for x
    x = 106,285,074,914.93/384,169.20
  6. Step 6: Final answer
    x = 276,662.15

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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.