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Finding the Fourth Proportional to 303,674.74, 419,063.97 and 167,705.98

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Solution

The fourth proportional to 303,674.74, 419,063.97 and 167,705.98 is: 231,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,674.74 : 419,063.97 = 167,705.98 : x
  2. Step 2: Convert to fraction form
    303,674.74/419,063.97 = 167,705.98/x
  3. Step 3: Cross multiply
    303,674.74x = 419,063.97 × 167,705.98
  4. Step 4: Simplify right side
    303,674.74x = 70,279,533,771.54
  5. Step 5: Solve for x
    x = 70,279,533,771.54/303,674.74
  6. Step 6: Final answer
    x = 231,430.29

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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.