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Finding the Fourth Proportional to 437,422.26, 603,642.70 and 236,218.26

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Solution

The fourth proportional to 437,422.26, 603,642.70 and 236,218.26 is: 325,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,422.26 : 603,642.70 = 236,218.26 : x
  2. Step 2: Convert to fraction form
    437,422.26/603,642.70 = 236,218.26/x
  3. Step 3: Cross multiply
    437,422.26x = 603,642.70 × 236,218.26
  4. Step 4: Simplify right side
    437,422.26x = 142,591,428,255.70
  5. Step 5: Solve for x
    x = 142,591,428,255.70/437,422.26
  6. Step 6: Final answer
    x = 325,981.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.