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Finding the Fourth Proportional to 3,738,625.52, 5,607,936.21 and 898,736.72

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Solution

The fourth proportional to 3,738,625.52, 5,607,936.21 and 898,736.72 is: 1,348,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738,625.52 : 5,607,936.21 = 898,736.72 : x
  2. Step 2: Convert to fraction form
    3,738,625.52/5,607,936.21 = 898,736.72/x
  3. Step 3: Cross multiply
    3,738,625.52x = 5,607,936.21 × 898,736.72
  4. Step 4: Simplify right side
    3,738,625.52x = 5,040,058,195,344.63
  5. Step 5: Solve for x
    x = 5,040,058,195,344.63/3,738,625.52
  6. Step 6: Final answer
    x = 1,348,104.58

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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.