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Finding the Fourth Proportional to 384,168.20, 576,252.30 and 184,440.43

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Solution

The fourth proportional to 384,168.20, 576,252.30 and 184,440.43 is: 276,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,168.20 : 576,252.30 = 184,440.43 : x
  2. Step 2: Convert to fraction form
    384,168.20/576,252.30 = 184,440.43/x
  3. Step 3: Cross multiply
    384,168.20x = 576,252.30 × 184,440.43
  4. Step 4: Simplify right side
    384,168.20x = 106,284,222,000.49
  5. Step 5: Solve for x
    x = 106,284,222,000.49/384,168.20
  6. Step 6: Final answer
    x = 276,660.65

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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.