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Finding the Fourth Proportional to 303,688.44, 419,093.21 and 167,725.83

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Solution

The fourth proportional to 303,688.44, 419,093.21 and 167,725.83 is: 231,463.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,688.44 : 419,093.21 = 167,725.83 : x
  2. Step 2: Convert to fraction form
    303,688.44/419,093.21 = 167,725.83/x
  3. Step 3: Cross multiply
    303,688.44x = 419,093.21 × 167,725.83
  4. Step 4: Simplify right side
    303,688.44x = 70,292,755,655.99
  5. Step 5: Solve for x
    x = 70,292,755,655.99/303,688.44
  6. Step 6: Final answer
    x = 231,463.39

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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.