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Finding the Fourth Proportional to 367,963, 551,937.61 and 200,548.75

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Solution

The fourth proportional to 367,963, 551,937.61 and 200,548.75 is: 300,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,963 : 551,937.61 = 200,548.75 : x
  2. Step 2: Convert to fraction form
    367,963/551,937.61 = 200,548.75/x
  3. Step 3: Cross multiply
    367,963x = 551,937.61 × 200,548.75
  4. Step 4: Simplify right side
    367,963x = 110,690,397,763.49
  5. Step 5: Solve for x
    x = 110,690,397,763.49/367,963
  6. Step 6: Final answer
    x = 300,819.37

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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.