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Finding the Fourth Proportional to 322,804.60, 484,262.04 and 133,161.29

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Solution

The fourth proportional to 322,804.60, 484,262.04 and 133,161.29 is: 199,764.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,804.60 : 484,262.04 = 133,161.29 : x
  2. Step 2: Convert to fraction form
    322,804.60/484,262.04 = 133,161.29/x
  3. Step 3: Cross multiply
    322,804.60x = 484,262.04 × 133,161.29
  4. Step 4: Simplify right side
    322,804.60x = 64,484,957,944.43
  5. Step 5: Solve for x
    x = 64,484,957,944.43/322,804.60
  6. Step 6: Final answer
    x = 199,764.68

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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.