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Finding the Fourth Proportional to 621,796.37, 932,694.55 and 172,517.31

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Solution

The fourth proportional to 621,796.37, 932,694.55 and 172,517.31 is: 258,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,796.37 : 932,694.55 = 172,517.31 : x
  2. Step 2: Convert to fraction form
    621,796.37/932,694.55 = 172,517.31/x
  3. Step 3: Cross multiply
    621,796.37x = 932,694.55 × 172,517.31
  4. Step 4: Simplify right side
    621,796.37x = 160,905,954,386.37
  5. Step 5: Solve for x
    x = 160,905,954,386.37/621,796.37
  6. Step 6: Final answer
    x = 258,775.97

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.