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Finding the Fourth Proportional to 297,970.80, 411,204.18 and 162,004.44

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Solution

The fourth proportional to 297,970.80, 411,204.18 and 162,004.44 is: 223,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,970.80 : 411,204.18 = 162,004.44 : x
  2. Step 2: Convert to fraction form
    297,970.80/411,204.18 = 162,004.44/x
  3. Step 3: Cross multiply
    297,970.80x = 411,204.18 × 162,004.44
  4. Step 4: Simplify right side
    297,970.80x = 66,616,902,906.56
  5. Step 5: Solve for x
    x = 66,616,902,906.56/297,970.80
  6. Step 6: Final answer
    x = 223,568.56

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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.