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Finding the Fourth Proportional to 356,773.73, 492,347.43 and 195,631.46

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Solution

The fourth proportional to 356,773.73, 492,347.43 and 195,631.46 is: 269,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,773.73 : 492,347.43 = 195,631.46 : x
  2. Step 2: Convert to fraction form
    356,773.73/492,347.43 = 195,631.46/x
  3. Step 3: Cross multiply
    356,773.73x = 492,347.43 × 195,631.46
  4. Step 4: Simplify right side
    356,773.73x = 96,318,644,096.41
  5. Step 5: Solve for x
    x = 96,318,644,096.41/356,773.73
  6. Step 6: Final answer
    x = 269,971.24

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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.