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Finding the Fourth Proportional to 252,279.84, 347,784.42 and 198,471.42

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Solution

The fourth proportional to 252,279.84, 347,784.42 and 198,471.42 is: 273,605.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,279.84 : 347,784.42 = 198,471.42 : x
  2. Step 2: Convert to fraction form
    252,279.84/347,784.42 = 198,471.42/x
  3. Step 3: Cross multiply
    252,279.84x = 347,784.42 × 198,471.42
  4. Step 4: Simplify right side
    252,279.84x = 69,025,267,691.28
  5. Step 5: Solve for x
    x = 69,025,267,691.28/252,279.84
  6. Step 6: Final answer
    x = 273,605.96

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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.