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Finding the Fourth Proportional to 322,619.64, 484,027.92 and 164,958.81

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Solution

The fourth proportional to 322,619.64, 484,027.92 and 164,958.81 is: 247,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,619.64 : 484,027.92 = 164,958.81 : x
  2. Step 2: Convert to fraction form
    322,619.64/484,027.92 = 164,958.81/x
  3. Step 3: Cross multiply
    322,619.64x = 484,027.92 × 164,958.81
  4. Step 4: Simplify right side
    322,619.64x = 79,844,669,689.98
  5. Step 5: Solve for x
    x = 79,844,669,689.98/322,619.64
  6. Step 6: Final answer
    x = 247,488.56

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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.