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Finding the Fourth Proportional to 1,485,162, 2,227,786.74 and 363,231

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Solution

The fourth proportional to 1,485,162, 2,227,786.74 and 363,231 is: 544,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,162 : 2,227,786.74 = 363,231 : x
  2. Step 2: Convert to fraction form
    1,485,162/2,227,786.74 = 363,231/x
  3. Step 3: Cross multiply
    1,485,162x = 2,227,786.74 × 363,231
  4. Step 4: Simplify right side
    1,485,162x = 809,201,205,356.94
  5. Step 5: Solve for x
    x = 809,201,205,356.94/1,485,162
  6. Step 6: Final answer
    x = 544,857.20

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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.