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Finding the Fourth Proportional to 351,699.56, 485,334.08 and 200,796.56

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Solution

The fourth proportional to 351,699.56, 485,334.08 and 200,796.56 is: 277,092.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,699.56 : 485,334.08 = 200,796.56 : x
  2. Step 2: Convert to fraction form
    351,699.56/485,334.08 = 200,796.56/x
  3. Step 3: Cross multiply
    351,699.56x = 485,334.08 × 200,796.56
  4. Step 4: Simplify right side
    351,699.56x = 97,453,413,714.76
  5. Step 5: Solve for x
    x = 97,453,413,714.76/351,699.56
  6. Step 6: Final answer
    x = 277,092.79

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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.