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Finding the Fourth Proportional to 329,922, 455,665.36 and 222,305.36

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Solution

The fourth proportional to 329,922, 455,665.36 and 222,305.36 is: 307,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,922 : 455,665.36 = 222,305.36 : x
  2. Step 2: Convert to fraction form
    329,922/455,665.36 = 222,305.36/x
  3. Step 3: Cross multiply
    329,922x = 455,665.36 × 222,305.36
  4. Step 4: Simplify right side
    329,922x = 101,296,851,894.33
  5. Step 5: Solve for x
    x = 101,296,851,894.33/329,922
  6. Step 6: Final answer
    x = 307,032.73

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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.