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Finding the Fourth Proportional to 297,791.10, 411,016.50 and 183,168.18

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Solution

The fourth proportional to 297,791.10, 411,016.50 and 183,168.18 is: 252,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,791.10 : 411,016.50 = 183,168.18 : x
  2. Step 2: Convert to fraction form
    297,791.10/411,016.50 = 183,168.18/x
  3. Step 3: Cross multiply
    297,791.10x = 411,016.50 × 183,168.18
  4. Step 4: Simplify right side
    297,791.10x = 75,285,144,254.97
  5. Step 5: Solve for x
    x = 75,285,144,254.97/297,791.10
  6. Step 6: Final answer
    x = 252,811.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.