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Finding the Fourth Proportional to 297,955.88, 411,170.46 and 168,906.33

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Solution

The fourth proportional to 297,955.88, 411,170.46 and 168,906.33 is: 233,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,955.88 : 411,170.46 = 168,906.33 : x
  2. Step 2: Convert to fraction form
    297,955.88/411,170.46 = 168,906.33/x
  3. Step 3: Cross multiply
    297,955.88x = 411,170.46 × 168,906.33
  4. Step 4: Simplify right side
    297,955.88x = 69,449,292,769.61
  5. Step 5: Solve for x
    x = 69,449,292,769.61/297,955.88
  6. Step 6: Final answer
    x = 233,085.83

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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.