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Finding the Fourth Proportional to 304,056, 419,623.20 and 169,945.92

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Solution

The fourth proportional to 304,056, 419,623.20 and 169,945.92 is: 234,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,056 : 419,623.20 = 169,945.92 : x
  2. Step 2: Convert to fraction form
    304,056/419,623.20 = 169,945.92/x
  3. Step 3: Cross multiply
    304,056x = 419,623.20 × 169,945.92
  4. Step 4: Simplify right side
    304,056x = 71,313,250,777.34
  5. Step 5: Solve for x
    x = 71,313,250,777.34/304,056
  6. Step 6: Final answer
    x = 234,539.86

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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.