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Finding the Fourth Proportional to 373,652.94, 515,653.48 and 203,896.38

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Solution

The fourth proportional to 373,652.94, 515,653.48 and 203,896.38 is: 281,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,652.94 : 515,653.48 = 203,896.38 : x
  2. Step 2: Convert to fraction form
    373,652.94/515,653.48 = 203,896.38/x
  3. Step 3: Cross multiply
    373,652.94x = 515,653.48 × 203,896.38
  4. Step 4: Simplify right side
    373,652.94x = 105,139,877,906.40
  5. Step 5: Solve for x
    x = 105,139,877,906.40/373,652.94
  6. Step 6: Final answer
    x = 281,383.78

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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.