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Finding the Fourth Proportional to 297,944.47, 411,158.46 and 161,981.80

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Solution

The fourth proportional to 297,944.47, 411,158.46 and 161,981.80 is: 223,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,944.47 : 411,158.46 = 161,981.80 : x
  2. Step 2: Convert to fraction form
    297,944.47/411,158.46 = 161,981.80/x
  3. Step 3: Cross multiply
    297,944.47x = 411,158.46 × 161,981.80
  4. Step 4: Simplify right side
    297,944.47x = 66,600,187,436.03
  5. Step 5: Solve for x
    x = 66,600,187,436.03/297,944.47
  6. Step 6: Final answer
    x = 223,532.22

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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.