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Finding the Fourth Proportional to 366,018.62, 505,078.11 and 222,762.83

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Solution

The fourth proportional to 366,018.62, 505,078.11 and 222,762.83 is: 307,395.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,018.62 : 505,078.11 = 222,762.83 : x
  2. Step 2: Convert to fraction form
    366,018.62/505,078.11 = 222,762.83/x
  3. Step 3: Cross multiply
    366,018.62x = 505,078.11 × 222,762.83
  4. Step 4: Simplify right side
    366,018.62x = 112,512,626,629.26
  5. Step 5: Solve for x
    x = 112,512,626,629.26/366,018.62
  6. Step 6: Final answer
    x = 307,395.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.