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Finding the Fourth Proportional to 222,453.70, 333,680.55 and 220,120.90

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Solution

The fourth proportional to 222,453.70, 333,680.55 and 220,120.90 is: 330,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,453.70 : 333,680.55 = 220,120.90 : x
  2. Step 2: Convert to fraction form
    222,453.70/333,680.55 = 220,120.90/x
  3. Step 3: Cross multiply
    222,453.70x = 333,680.55 × 220,120.90
  4. Step 4: Simplify right side
    222,453.70x = 73,450,062,978.50
  5. Step 5: Solve for x
    x = 73,450,062,978.50/222,453.70
  6. Step 6: Final answer
    x = 330,181.35

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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.