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Finding the Fourth Proportional to 304,040.88, 419,573.63 and 168,078.33

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Solution

The fourth proportional to 304,040.88, 419,573.63 and 168,078.33 is: 231,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,040.88 : 419,573.63 = 168,078.33 : x
  2. Step 2: Convert to fraction form
    304,040.88/419,573.63 = 168,078.33/x
  3. Step 3: Cross multiply
    304,040.88x = 419,573.63 × 168,078.33
  4. Step 4: Simplify right side
    304,040.88x = 70,521,234,202.05
  5. Step 5: Solve for x
    x = 70,521,234,202.05/304,040.88
  6. Step 6: Final answer
    x = 231,946.55

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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.