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Finding the Fourth Proportional to 329,696.40, 494,544.60 and 223,408.20

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Solution

The fourth proportional to 329,696.40, 494,544.60 and 223,408.20 is: 335,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,696.40 : 494,544.60 = 223,408.20 : x
  2. Step 2: Convert to fraction form
    329,696.40/494,544.60 = 223,408.20/x
  3. Step 3: Cross multiply
    329,696.40x = 494,544.60 × 223,408.20
  4. Step 4: Simplify right side
    329,696.40x = 110,485,318,905.72
  5. Step 5: Solve for x
    x = 110,485,318,905.72/329,696.40
  6. Step 6: Final answer
    x = 335,112.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.