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Finding the Fourth Proportional to 886,907.70, 1,330,361.55 and 222,059.70

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Solution

The fourth proportional to 886,907.70, 1,330,361.55 and 222,059.70 is: 333,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,907.70 : 1,330,361.55 = 222,059.70 : x
  2. Step 2: Convert to fraction form
    886,907.70/1,330,361.55 = 222,059.70/x
  3. Step 3: Cross multiply
    886,907.70x = 1,330,361.55 × 222,059.70
  4. Step 4: Simplify right side
    886,907.70x = 295,419,686,684.54
  5. Step 5: Solve for x
    x = 295,419,686,684.54/886,907.70
  6. Step 6: Final answer
    x = 333,089.55

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Double scale
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Similar ratio
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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.