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Finding the Fourth Proportional to 511,227.73, 705,497.07 and 296,495.11

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Solution

The fourth proportional to 511,227.73, 705,497.07 and 296,495.11 is: 409,164.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,227.73 : 705,497.07 = 296,495.11 : x
  2. Step 2: Convert to fraction form
    511,227.73/705,497.07 = 296,495.11/x
  3. Step 3: Cross multiply
    511,227.73x = 705,497.07 × 296,495.11
  4. Step 4: Simplify right side
    511,227.73x = 209,176,431,374.33
  5. Step 5: Solve for x
    x = 209,176,431,374.33/511,227.73
  6. Step 6: Final answer
    x = 409,164.88

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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.