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Finding the Fourth Proportional to 303,927.97, 419,428.97 and 167,970.73

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Solution

The fourth proportional to 303,927.97, 419,428.97 and 167,970.73 is: 231,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,927.97 : 419,428.97 = 167,970.73 : x
  2. Step 2: Convert to fraction form
    303,927.97/419,428.97 = 167,970.73/x
  3. Step 3: Cross multiply
    303,927.97x = 419,428.97 × 167,970.73
  4. Step 4: Simplify right side
    303,927.97x = 70,451,788,596.83
  5. Step 5: Solve for x
    x = 70,451,788,596.83/303,927.97
  6. Step 6: Final answer
    x = 231,804.23

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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.