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Finding the Fourth Proportional to 202,304.70, 303,420.60 and 127,290.60

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Solution

The fourth proportional to 202,304.70, 303,420.60 and 127,290.60 is: 190,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,304.70 : 303,420.60 = 127,290.60 : x
  2. Step 2: Convert to fraction form
    202,304.70/303,420.60 = 127,290.60/x
  3. Step 3: Cross multiply
    202,304.70x = 303,420.60 × 127,290.60
  4. Step 4: Simplify right side
    202,304.70x = 38,622,590,226.36
  5. Step 5: Solve for x
    x = 38,622,590,226.36/202,304.70
  6. Step 6: Final answer
    x = 190,912.97

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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.