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Finding the Fourth Proportional to 303,684.06, 419,087.14 and 167,721.42

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Solution

The fourth proportional to 303,684.06, 419,087.14 and 167,721.42 is: 231,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,684.06 : 419,087.14 = 167,721.42 : x
  2. Step 2: Convert to fraction form
    303,684.06/419,087.14 = 167,721.42/x
  3. Step 3: Cross multiply
    303,684.06x = 419,087.14 × 167,721.42
  4. Step 4: Simplify right side
    303,684.06x = 70,289,890,224.54
  5. Step 5: Solve for x
    x = 70,289,890,224.54/303,684.06
  6. Step 6: Final answer
    x = 231,457.29

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1.5x scale

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.