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Finding the Fourth Proportional to 376,107.52, 519,072.96 and 225,201.28

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Solution

The fourth proportional to 376,107.52, 519,072.96 and 225,201.28 is: 310,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,107.52 : 519,072.96 = 225,201.28 : x
  2. Step 2: Convert to fraction form
    376,107.52/519,072.96 = 225,201.28/x
  3. Step 3: Cross multiply
    376,107.52x = 519,072.96 × 225,201.28
  4. Step 4: Simplify right side
    376,107.52x = 116,895,895,005.39
  5. Step 5: Solve for x
    x = 116,895,895,005.39/376,107.52
  6. Step 6: Final answer
    x = 310,804.46

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Why These Related Problems?

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