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Finding the Fourth Proportional to 222,680.40, 334,020.60 and 197,019.60

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Solution

The fourth proportional to 222,680.40, 334,020.60 and 197,019.60 is: 295,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,680.40 : 334,020.60 = 197,019.60 : x
  2. Step 2: Convert to fraction form
    222,680.40/334,020.60 = 197,019.60/x
  3. Step 3: Cross multiply
    222,680.40x = 334,020.60 × 197,019.60
  4. Step 4: Simplify right side
    222,680.40x = 65,808,605,003.76
  5. Step 5: Solve for x
    x = 65,808,605,003.76/222,680.40
  6. Step 6: Final answer
    x = 295,529.40

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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.