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Finding the Fourth Proportional to 373,796.70, 515,840.19 and 204,030.83

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Solution

The fourth proportional to 373,796.70, 515,840.19 and 204,030.83 is: 281,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,796.70 : 515,840.19 = 204,030.83 : x
  2. Step 2: Convert to fraction form
    373,796.70/515,840.19 = 204,030.83/x
  3. Step 3: Cross multiply
    373,796.70x = 515,840.19 × 204,030.83
  4. Step 4: Simplify right side
    373,796.70x = 105,247,299,533.86
  5. Step 5: Solve for x
    x = 105,247,299,533.86/373,796.70
  6. Step 6: Final answer
    x = 281,562.94

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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.