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Finding the Fourth Proportional to 568,889.60, 785,091.51 and 327,172.37

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Solution

The fourth proportional to 568,889.60, 785,091.51 and 327,172.37 is: 451,511.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,889.60 : 785,091.51 = 327,172.37 : x
  2. Step 2: Convert to fraction form
    568,889.60/785,091.51 = 327,172.37/x
  3. Step 3: Cross multiply
    568,889.60x = 785,091.51 × 327,172.37
  4. Step 4: Simplify right side
    568,889.60x = 256,860,246,068.12
  5. Step 5: Solve for x
    x = 256,860,246,068.12/568,889.60
  6. Step 6: Final answer
    x = 451,511.59

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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.