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Finding the Fourth Proportional to 367,940.88, 507,959.91 and 222,772.68

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Solution

The fourth proportional to 367,940.88, 507,959.91 and 222,772.68 is: 307,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,940.88 : 507,959.91 = 222,772.68 : x
  2. Step 2: Convert to fraction form
    367,940.88/507,959.91 = 222,772.68/x
  3. Step 3: Cross multiply
    367,940.88x = 507,959.91 × 222,772.68
  4. Step 4: Simplify right side
    367,940.88x = 113,159,590,483.26
  5. Step 5: Solve for x
    x = 113,159,590,483.26/367,940.88
  6. Step 6: Final answer
    x = 307,548.30

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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.