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Finding the Fourth Proportional to 304,093.39, 419,612.25 and 168,108.97

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Solution

The fourth proportional to 304,093.39, 419,612.25 and 168,108.97 is: 231,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,093.39 : 419,612.25 = 168,108.97 : x
  2. Step 2: Convert to fraction form
    304,093.39/419,612.25 = 168,108.97/x
  3. Step 3: Cross multiply
    304,093.39x = 419,612.25 × 168,108.97
  4. Step 4: Simplify right side
    304,093.39x = 70,540,583,146.88
  5. Step 5: Solve for x
    x = 70,540,583,146.88/304,093.39
  6. Step 6: Final answer
    x = 231,970.13

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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.