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Finding the Fourth Proportional to 373,476.82, 515,398.01 and 203,710.94

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Solution

The fourth proportional to 373,476.82, 515,398.01 and 203,710.94 is: 281,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,476.82 : 515,398.01 = 203,710.94 : x
  2. Step 2: Convert to fraction form
    373,476.82/515,398.01 = 203,710.94/x
  3. Step 3: Cross multiply
    373,476.82x = 515,398.01 × 203,710.94
  4. Step 4: Simplify right side
    373,476.82x = 104,992,212,072.68
  5. Step 5: Solve for x
    x = 104,992,212,072.68/373,476.82
  6. Step 6: Final answer
    x = 281,121.10

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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.