A firm has a long$-$term debt$-$equity ratio of $0\mathrm{.}5.$ Shareholders' equity is $$1\mathrm{.}07$ million. Current assets are $$256,500,$ and the current ratio is $1\mathrm{.}9.$ The only current liabilities are notes payable. What is the total debt ratio?

Note: Round your answer to $2$ decimal places.

Total debt ratio