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Finding the Fourth Proportional to 303,994.95, 419,505.24 and 168,019.44

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Solution

The fourth proportional to 303,994.95, 419,505.24 and 168,019.44 is: 231,862.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,994.95 : 419,505.24 = 168,019.44 : x
  2. Step 2: Convert to fraction form
    303,994.95/419,505.24 = 168,019.44/x
  3. Step 3: Cross multiply
    303,994.95x = 419,505.24 × 168,019.44
  4. Step 4: Simplify right side
    303,994.95x = 70,485,035,501.87
  5. Step 5: Solve for x
    x = 70,485,035,501.87/303,994.95
  6. Step 6: Final answer
    x = 231,862.52

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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.