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Finding the Fourth Proportional to 569,357.56, 785,791.56 and 327,635.20

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Solution

The fourth proportional to 569,357.56, 785,791.56 and 327,635.20 is: 452,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,357.56 : 785,791.56 = 327,635.20 : x
  2. Step 2: Convert to fraction form
    569,357.56/785,791.56 = 327,635.20/x
  3. Step 3: Cross multiply
    569,357.56x = 785,791.56 × 327,635.20
  4. Step 4: Simplify right side
    569,357.56x = 257,452,974,918.91
  5. Step 5: Solve for x
    x = 257,452,974,918.91/569,357.56
  6. Step 6: Final answer
    x = 452,181.53

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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.