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Finding the Fourth Proportional to 446,963.49, 670,866.57 and 162,928.57

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Solution

The fourth proportional to 446,963.49, 670,866.57 and 162,928.57 is: 244,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,963.49 : 670,866.57 = 162,928.57 : x
  2. Step 2: Convert to fraction form
    446,963.49/670,866.57 = 162,928.57/x
  3. Step 3: Cross multiply
    446,963.49x = 670,866.57 × 162,928.57
  4. Step 4: Simplify right side
    446,963.49x = 109,303,330,910.91
  5. Step 5: Solve for x
    x = 109,303,330,910.91/446,963.49
  6. Step 6: Final answer
    x = 244,546.44

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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.