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Finding the Fourth Proportional to 304,283.56, 419,879.01 and 168,295.90

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Solution

The fourth proportional to 304,283.56, 419,879.01 and 168,295.90 is: 232,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,283.56 : 419,879.01 = 168,295.90 : x
  2. Step 2: Convert to fraction form
    304,283.56/419,879.01 = 168,295.90/x
  3. Step 3: Cross multiply
    304,283.56x = 419,879.01 × 168,295.90
  4. Step 4: Simplify right side
    304,283.56x = 70,663,915,879.06
  5. Step 5: Solve for x
    x = 70,663,915,879.06/304,283.56
  6. Step 6: Final answer
    x = 232,230.48

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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.