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Finding the Fourth Proportional to 303,734.80, 419,158.02 and 167,768.34

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Solution

The fourth proportional to 303,734.80, 419,158.02 and 167,768.34 is: 231,522.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,734.80 : 419,158.02 = 167,768.34 : x
  2. Step 2: Convert to fraction form
    303,734.80/419,158.02 = 167,768.34/x
  3. Step 3: Cross multiply
    303,734.80x = 419,158.02 × 167,768.34
  4. Step 4: Simplify right side
    303,734.80x = 70,321,445,213.09
  5. Step 5: Solve for x
    x = 70,321,445,213.09/303,734.80
  6. Step 6: Final answer
    x = 231,522.52

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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.