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Finding the Fourth Proportional to 393,976.26, 590,017 and 224,984.39

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Solution

The fourth proportional to 393,976.26, 590,017 and 224,984.39 is: 336,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,976.26 : 590,017 = 224,984.39 : x
  2. Step 2: Convert to fraction form
    393,976.26/590,017 = 224,984.39/x
  3. Step 3: Cross multiply
    393,976.26x = 590,017 × 224,984.39
  4. Step 4: Simplify right side
    393,976.26x = 132,744,611,884.55
  5. Step 5: Solve for x
    x = 132,744,611,884.55/393,976.26
  6. Step 6: Final answer
    x = 336,935.56

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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.