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Finding the Fourth Proportional to 297,473.22, 410,394.33 and 190,015.38

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Solution

The fourth proportional to 297,473.22, 410,394.33 and 190,015.38 is: 262,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,473.22 : 410,394.33 = 190,015.38 : x
  2. Step 2: Convert to fraction form
    297,473.22/410,394.33 = 190,015.38/x
  3. Step 3: Cross multiply
    297,473.22x = 410,394.33 × 190,015.38
  4. Step 4: Simplify right side
    297,473.22x = 77,981,234,564.80
  5. Step 5: Solve for x
    x = 77,981,234,564.80/297,473.22
  6. Step 6: Final answer
    x = 262,145.39

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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.