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Finding the Fourth Proportional to 356,957.41, 492,596.62 and 203,993.85

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Solution

The fourth proportional to 356,957.41, 492,596.62 and 203,993.85 is: 281,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,957.41 : 492,596.62 = 203,993.85 : x
  2. Step 2: Convert to fraction form
    356,957.41/492,596.62 = 203,993.85/x
  3. Step 3: Cross multiply
    356,957.41x = 492,596.62 × 203,993.85
  4. Step 4: Simplify right side
    356,957.41x = 100,486,681,010.79
  5. Step 5: Solve for x
    x = 100,486,681,010.79/356,957.41
  6. Step 6: Final answer
    x = 281,508.88

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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.