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Finding the Fourth Proportional to 376,804.48, 519,997.44 and 207,028.48

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Solution

The fourth proportional to 376,804.48, 519,997.44 and 207,028.48 is: 285,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,804.48 : 519,997.44 = 207,028.48 : x
  2. Step 2: Convert to fraction form
    376,804.48/519,997.44 = 207,028.48/x
  3. Step 3: Cross multiply
    376,804.48x = 519,997.44 × 207,028.48
  4. Step 4: Simplify right side
    376,804.48x = 107,654,279,607.09
  5. Step 5: Solve for x
    x = 107,654,279,607.09/376,804.48
  6. Step 6: Final answer
    x = 285,703.29

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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.