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Finding the Fourth Proportional to 404,786.36, 606,695.69 and 188,352.74

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Solution

The fourth proportional to 404,786.36, 606,695.69 and 188,352.74 is: 282,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,786.36 : 606,695.69 = 188,352.74 : x
  2. Step 2: Convert to fraction form
    404,786.36/606,695.69 = 188,352.74/x
  3. Step 3: Cross multiply
    404,786.36x = 606,695.69 × 188,352.74
  4. Step 4: Simplify right side
    404,786.36x = 114,272,792,995.09
  5. Step 5: Solve for x
    x = 114,272,792,995.09/404,786.36
  6. Step 6: Final answer
    x = 282,303.97

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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.