The ratio: 1 / 4 ton: 375 kg; 2 / 3: 45; 1 / 2: 0.75; 3 / 5 ton: 400 kg

Quarter ton: 375 kg = 250:375 = 2:3 = 2 / 3
2 / 3: 45 = 40:45 = 8:9 = 8 / 9
1:0.75 = 1.5:0.75 = 2:1 = 2
3 / 5 ton: 400 kg = 600:400 = 3:2 = 1.5

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