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Finding the Fourth Proportional to 373,758.60, 515,787.72 and 204,003.60

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Solution

The fourth proportional to 373,758.60, 515,787.72 and 204,003.60 is: 281,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,758.60 : 515,787.72 = 204,003.60 : x
  2. Step 2: Convert to fraction form
    373,758.60/515,787.72 = 204,003.60/x
  3. Step 3: Cross multiply
    373,758.60x = 515,787.72 × 204,003.60
  4. Step 4: Simplify right side
    373,758.60x = 105,222,551,715.79
  5. Step 5: Solve for x
    x = 105,222,551,715.79/373,758.60
  6. Step 6: Final answer
    x = 281,525.43

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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.