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Finding the Fourth Proportional to 356,083.73, 491,394.70 and 194,938.73

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Solution

The fourth proportional to 356,083.73, 491,394.70 and 194,938.73 is: 269,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,083.73 : 491,394.70 = 194,938.73 : x
  2. Step 2: Convert to fraction form
    356,083.73/491,394.70 = 194,938.73/x
  3. Step 3: Cross multiply
    356,083.73x = 491,394.70 × 194,938.73
  4. Step 4: Simplify right side
    356,083.73x = 95,791,858,746.73
  5. Step 5: Solve for x
    x = 95,791,858,746.73/356,083.73
  6. Step 6: Final answer
    x = 269,014.98

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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.