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Finding the Fourth Proportional to 303,914.86, 419,401.47 and 167,945.02

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Solution

The fourth proportional to 303,914.86, 419,401.47 and 167,945.02 is: 231,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,914.86 : 419,401.47 = 167,945.02 : x
  2. Step 2: Convert to fraction form
    303,914.86/419,401.47 = 167,945.02/x
  3. Step 3: Cross multiply
    303,914.86x = 419,401.47 × 167,945.02
  4. Step 4: Simplify right side
    303,914.86x = 70,436,388,267.18
  5. Step 5: Solve for x
    x = 70,436,388,267.18/303,914.86
  6. Step 6: Final answer
    x = 231,763.55

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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.