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Finding the Fourth Proportional to 304,121.05, 455,883.62 and 169,249.46

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Solution

The fourth proportional to 304,121.05, 455,883.62 and 169,249.46 is: 253,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,121.05 : 455,883.62 = 169,249.46 : x
  2. Step 2: Convert to fraction form
    304,121.05/455,883.62 = 169,249.46/x
  3. Step 3: Cross multiply
    304,121.05x = 455,883.62 × 169,249.46
  4. Step 4: Simplify right side
    304,121.05x = 77,158,053,382.18
  5. Step 5: Solve for x
    x = 77,158,053,382.18/304,121.05
  6. Step 6: Final answer
    x = 253,708.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.