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Finding the Fourth Proportional to 396,111.60, 594,203.13 and 111,805.29

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Solution

The fourth proportional to 396,111.60, 594,203.13 and 111,805.29 is: 167,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,111.60 : 594,203.13 = 111,805.29 : x
  2. Step 2: Convert to fraction form
    396,111.60/594,203.13 = 111,805.29/x
  3. Step 3: Cross multiply
    396,111.60x = 594,203.13 × 111,805.29
  4. Step 4: Simplify right side
    396,111.60x = 66,435,053,268.56
  5. Step 5: Solve for x
    x = 66,435,053,268.56/396,111.60
  6. Step 6: Final answer
    x = 167,718.02

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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.