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Finding the Fourth Proportional to 297,169.20, 409,993.76 and 169,754.60

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Solution

The fourth proportional to 297,169.20, 409,993.76 and 169,754.60 is: 234,204.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,169.20 : 409,993.76 = 169,754.60 : x
  2. Step 2: Convert to fraction form
    297,169.20/409,993.76 = 169,754.60/x
  3. Step 3: Cross multiply
    297,169.20x = 409,993.76 × 169,754.60
  4. Step 4: Simplify right side
    297,169.20x = 69,598,326,731.30
  5. Step 5: Solve for x
    x = 69,598,326,731.30/297,169.20
  6. Step 6: Final answer
    x = 234,204.37

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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.