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Finding the Fourth Proportional to 538,266.33, 806,845.41 and 238,887.90

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Solution

The fourth proportional to 538,266.33, 806,845.41 and 238,887.90 is: 358,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,266.33 : 806,845.41 = 238,887.90 : x
  2. Step 2: Convert to fraction form
    538,266.33/806,845.41 = 238,887.90/x
  3. Step 3: Cross multiply
    538,266.33x = 806,845.41 × 238,887.90
  4. Step 4: Simplify right side
    538,266.33x = 192,745,605,619.54
  5. Step 5: Solve for x
    x = 192,745,605,619.54/538,266.33
  6. Step 6: Final answer
    x = 358,085.94

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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.