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Finding the Fourth Proportional to 373,481.01, 515,443.70 and 228,371.84

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Solution

The fourth proportional to 373,481.01, 515,443.70 and 228,371.84 is: 315,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,481.01 : 515,443.70 = 228,371.84 : x
  2. Step 2: Convert to fraction form
    373,481.01/515,443.70 = 228,371.84/x
  3. Step 3: Cross multiply
    373,481.01x = 515,443.70 × 228,371.84
  4. Step 4: Simplify right side
    373,481.01x = 117,712,826,112.03
  5. Step 5: Solve for x
    x = 117,712,826,112.03/373,481.01
  6. Step 6: Final answer
    x = 315,177.54

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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.