Given that \(\left\lfloor x+0.1 \right\rfloor + \left\lfloor x+0.2 \right\rfloor + \left\lfloor x+0.3 \right\rfloor + \cdots + \left\lfloor x+0.9 \right\rfloor = 495\), find \(\left\lfloor 10x \right\rfloor\). Let's think step by step and output the final answer within \boxed{}.
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