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Finding the Fourth Proportional to 204,374.31, 308,481.05 and 204,374.31

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Solution

The fourth proportional to 204,374.31, 308,481.05 and 204,374.31 is: 308,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,374.31 : 308,481.05 = 204,374.31 : x
  2. Step 2: Convert to fraction form
    204,374.31/308,481.05 = 204,374.31/x
  3. Step 3: Cross multiply
    204,374.31x = 308,481.05 × 204,374.31
  4. Step 4: Simplify right side
    204,374.31x = 63,045,600,719.95
  5. Step 5: Solve for x
    x = 63,045,600,719.95/204,374.31
  6. Step 6: Final answer
    x = 308,481.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.