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Finding the Fourth Proportional to 474,274.27, 711,412.62 and 193,791.52

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Solution

The fourth proportional to 474,274.27, 711,412.62 and 193,791.52 is: 290,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,274.27 : 711,412.62 = 193,791.52 : x
  2. Step 2: Convert to fraction form
    474,274.27/711,412.62 = 193,791.52/x
  3. Step 3: Cross multiply
    474,274.27x = 711,412.62 × 193,791.52
  4. Step 4: Simplify right side
    474,274.27x = 137,865,732,976.98
  5. Step 5: Solve for x
    x = 137,865,732,976.98/474,274.27
  6. Step 6: Final answer
    x = 290,687.78

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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.