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Finding the Fourth Proportional to 373,548.48, 515,426.40 and 222,659.52

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Solution

The fourth proportional to 373,548.48, 515,426.40 and 222,659.52 is: 307,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,548.48 : 515,426.40 = 222,659.52 : x
  2. Step 2: Convert to fraction form
    373,548.48/515,426.40 = 222,659.52/x
  3. Step 3: Cross multiply
    373,548.48x = 515,426.40 × 222,659.52
  4. Step 4: Simplify right side
    373,548.48x = 114,764,594,819.33
  5. Step 5: Solve for x
    x = 114,764,594,819.33/373,548.48
  6. Step 6: Final answer
    x = 307,228.11

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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.