MAYFIELD VILLAGE, OHIO, Jan. 24, 2024 (GLOBE NEWSWIRE) -- The Progressive Corporation (NYSE:PGR) today reported the following results for December 2023 and the fourth quarter of 2023:   December   Quarter  (millions, except per share amounts and ratios; unaudited) 2023  2023  2022  Change Net premiums written$4,875.9$15,129.8 $12,460.2  21$5,310.4 $15,772.6$12,891.5  22%Net income$901.2$1,987.8 $826.4  141$1.53 $3.37$1.40  141%Total pretax n ...