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Finding the Fourth Proportional to 373,796.70, 515,839.47 and 204,030.84

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Solution

The fourth proportional to 373,796.70, 515,839.47 and 204,030.84 is: 281,562.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,796.70 : 515,839.47 = 204,030.84 : x
  2. Step 2: Convert to fraction form
    373,796.70/515,839.47 = 204,030.84/x
  3. Step 3: Cross multiply
    373,796.70x = 515,839.47 × 204,030.84
  4. Step 4: Simplify right side
    373,796.70x = 105,247,160,369.26
  5. Step 5: Solve for x
    x = 105,247,160,369.26/373,796.70
  6. Step 6: Final answer
    x = 281,562.57

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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.