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Finding the Fourth Proportional to 399,833.72, 599,662.03 and 115,462.36

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Solution

The fourth proportional to 399,833.72, 599,662.03 and 115,462.36 is: 173,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,833.72 : 599,662.03 = 115,462.36 : x
  2. Step 2: Convert to fraction form
    399,833.72/599,662.03 = 115,462.36/x
  3. Step 3: Cross multiply
    399,833.72x = 599,662.03 × 115,462.36
  4. Step 4: Simplify right side
    399,833.72x = 69,238,389,610.57
  5. Step 5: Solve for x
    x = 69,238,389,610.57/399,833.72
  6. Step 6: Final answer
    x = 173,167.96

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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.