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Finding the Fourth Proportional to 203,321.60, 304,982.40 and 179,993.60

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Solution

The fourth proportional to 203,321.60, 304,982.40 and 179,993.60 is: 269,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,321.60 : 304,982.40 = 179,993.60 : x
  2. Step 2: Convert to fraction form
    203,321.60/304,982.40 = 179,993.60/x
  3. Step 3: Cross multiply
    203,321.60x = 304,982.40 × 179,993.60
  4. Step 4: Simplify right side
    203,321.60x = 54,894,880,112.64
  5. Step 5: Solve for x
    x = 54,894,880,112.64/203,321.60
  6. Step 6: Final answer
    x = 269,990.40

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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.