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Finding the Fourth Proportional to 404,078.63, 606,120.98 and 179,378.65

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Solution

The fourth proportional to 404,078.63, 606,120.98 and 179,378.65 is: 269,069.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,078.63 : 606,120.98 = 179,378.65 : x
  2. Step 2: Convert to fraction form
    404,078.63/606,120.98 = 179,378.65/x
  3. Step 3: Cross multiply
    404,078.63x = 606,120.98 × 179,378.65
  4. Step 4: Simplify right side
    404,078.63x = 108,725,162,989.84
  5. Step 5: Solve for x
    x = 108,725,162,989.84/404,078.63
  6. Step 6: Final answer
    x = 269,069.33

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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.