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Finding the Fourth Proportional to 411,040.66, 616,505.37 and 111,540.46

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Solution

The fourth proportional to 411,040.66, 616,505.37 and 111,540.46 is: 167,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,040.66 : 616,505.37 = 111,540.46 : x
  2. Step 2: Convert to fraction form
    411,040.66/616,505.37 = 111,540.46/x
  3. Step 3: Cross multiply
    411,040.66x = 616,505.37 × 111,540.46
  4. Step 4: Simplify right side
    411,040.66x = 68,765,292,562.27
  5. Step 5: Solve for x
    x = 68,765,292,562.27/411,040.66
  6. Step 6: Final answer
    x = 167,295.60

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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.