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Finding the Fourth Proportional to 297,954.76, 411,185.67 and 161,997.85

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Solution

The fourth proportional to 297,954.76, 411,185.67 and 161,997.85 is: 223,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,954.76 : 411,185.67 = 161,997.85 : x
  2. Step 2: Convert to fraction form
    297,954.76/411,185.67 = 161,997.85/x
  3. Step 3: Cross multiply
    297,954.76x = 411,185.67 × 161,997.85
  4. Step 4: Simplify right side
    297,954.76x = 66,611,194,490.81
  5. Step 5: Solve for x
    x = 66,611,194,490.81/297,954.76
  6. Step 6: Final answer
    x = 223,561.44

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1.5x scale

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.