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Finding the Fourth Proportional to 333,072.98, 459,629.34 and 189,879.18

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Solution

The fourth proportional to 333,072.98, 459,629.34 and 189,879.18 is: 262,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,072.98 : 459,629.34 = 189,879.18 : x
  2. Step 2: Convert to fraction form
    333,072.98/459,629.34 = 189,879.18/x
  3. Step 3: Cross multiply
    333,072.98x = 459,629.34 × 189,879.18
  4. Step 4: Simplify right side
    333,072.98x = 87,274,042,183.14
  5. Step 5: Solve for x
    x = 87,274,042,183.14/333,072.98
  6. Step 6: Final answer
    x = 262,026.79

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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.