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Finding the Fourth Proportional to 380,369.73, 570,610.24 and 114,151.29

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Solution

The fourth proportional to 380,369.73, 570,610.24 and 114,151.29 is: 171,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,369.73 : 570,610.24 = 114,151.29 : x
  2. Step 2: Convert to fraction form
    380,369.73/570,610.24 = 114,151.29/x
  3. Step 3: Cross multiply
    380,369.73x = 570,610.24 × 114,151.29
  4. Step 4: Simplify right side
    380,369.73x = 65,135,892,558.04
  5. Step 5: Solve for x
    x = 65,135,892,558.04/380,369.73
  6. Step 6: Final answer
    x = 171,243.63

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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.