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Finding the Fourth Proportional to 538,372.44, 806,523.74 and 300,995.24

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Solution

The fourth proportional to 538,372.44, 806,523.74 and 300,995.24 is: 450,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,372.44 : 806,523.74 = 300,995.24 : x
  2. Step 2: Convert to fraction form
    538,372.44/806,523.74 = 300,995.24/x
  3. Step 3: Cross multiply
    538,372.44x = 806,523.74 × 300,995.24
  4. Step 4: Simplify right side
    538,372.44x = 242,759,806,687.00
  5. Step 5: Solve for x
    x = 242,759,806,687.00/538,372.44
  6. Step 6: Final answer
    x = 450,914.25

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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.