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Finding the Fourth Proportional to 373,553.48, 515,433.30 and 222,664.52

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Solution

The fourth proportional to 373,553.48, 515,433.30 and 222,664.52 is: 307,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,553.48 : 515,433.30 = 222,664.52 : x
  2. Step 2: Convert to fraction form
    373,553.48/515,433.30 = 222,664.52/x
  3. Step 3: Cross multiply
    373,553.48x = 515,433.30 × 222,664.52
  4. Step 4: Simplify right side
    373,553.48x = 114,768,708,336.52
  5. Step 5: Solve for x
    x = 114,768,708,336.52/373,553.48
  6. Step 6: Final answer
    x = 307,235.01

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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.